# multivariable critical point calculator

Examples of calculating the critical points and local extrema of two variable functions. How do I determine the saddle point here? Raw Crab Legs Near Me, Warm up to the second partial derivative test. The Hidden Treasure of Partial Derivative Calculator . Find all critical points of $f(x,y) = x^3 - 12xy + 8y^3$ and state maximum, minimum, or saddle points. If the Hessian gets zero at any of them, then we don't know whether that point is max, min or a saddle point and so we need additional considerations. Prove that there are an infinite amount of critical points and they are all local (and absolute) minimums on $x^2+4y^2-4xy+2$, Finding the critical points of $f(x,y) = x y^2 - x^2 y + x y$, Find local max min or saddle points for $f(x,y)=3y-y^3-3(x^2)y$, Finding critical points of $e^y(y^2-x^2)$, Critical points for multivariable functions. From multivariable equation solver to polynomials, we have got every part discussed. By using this website, you agree to our Cookie Policy. What are the pros and cons of buying a kit aircraft vs. a factory-built one? Its determinant is Do Do Do Do Dododo 70s Song, Second partial derivative test. Evaluatefxx, fyy, and fxy at the critical points. Next lesson. $$f_{xx} = 2$$ $$D(-2, 2) = 2\cdot{}4-(2)^2 = 4$$How do I determine the saddle point here? Find the critical point of $$f(x,y) = 3x^3 + 3y^3 + x^3y^3$$, To do this, I know that I need to set $$f_y = 0, f_x = 0$$, So $$f_x= 9x^2 + 3x^2y^3$$ critical points y = x x2 − 6x + 8. $$0=9x^2+3x^2x^3$$ Can I run 300 ft of cat6 cable, with male connectors on each end, under house to other side? Making statements based on opinion; back them up with references or personal experience. Therefore we don't have a local extremum at $(-\sqrt3,-\sqrt3)$ either. Follow 73 views (last 30 days) PJ on 18 Jan 2018. Anybody can answer The best answers are voted up and rise to the top For there to be a saddle point, you'd need to find another stationary point, and compute $D < 0$.Yes. fx(x,y) = 2x = 0 fy(x,y) = 2y = 0 The solution to the above system of equations is the ordered pair (0,0). and does this mean the function doesn't have a local maxima? lead to the two critical points $(0,0)$, $\>(-\sqrt3,-\sqrt3)$. In order to qualify the critical point $(0,0)$ we consider the function $\phi(x):=f(x,0)=3x^3$. critical points f ( x) = cos ( 2x + 5) $critical\:points\:f\left (x\right)=\sin\left (3x\right)$. A critical point of a multivariable function is a point where the partial derivatives of first order of this function are equal to zero. By using our site, you acknowledge that you have read and understand our Cookie Policy, Privacy Policy, and our Terms of Service. But now, we see that the minimum is actually Thanks for contributing an answer to … Calculus: Integral with adjustable bounds. Absolute Maximum/Minimum Values of Multivariable Functions - Part 1 of 2 To find absolute max/min values of a continuous function g on a closed bounded set D: 1. What do you know about paraboliods? Now, we should examine the signs of $f_{xx}$ and $$f_{xx}f_{yy}-f^2_{xy}$$ at these points. Evaluate f at the critical points of f in D. 2. Each component in the gradient is among the function's partial first derivatives. What To Feed Baby Mice, Definition. What do you know about paraboliods? Was Stan Lee in the second diner scene in the movie Superman 2? From Multivariable Equation Solver to scientific notation, we have got all kinds of things covered. Critical/Saddle point calculator for f(x,y) Added Aug 4, 2018 by Sharonhahahah in Mathematics. Sadly, this function only returns the derivative of one point. How to synthesize 3‐cyclopentylpropanal from (chloromethyl)cyclopentane? Same issue: there's no other stationary points, so there cannot be other local maxima or minima.Good question. Gradient descent. Example 2 Determine the critical points and locate any relative minima, maxima and saddle points of function f defined by f(x , y) = 2x 2 - 4xy + y 4 + 2 . It is 'x' value given to the function and it is set for all real numbers. Detailed answers to any questions you might have Linear Algebra . Come to Sofsource.com and figure out adding fractions, power and plenty additional algebra subject areas . The Function Analysis Calculator computes critical points, roots and other properties with the push of a button. To analyze the critical point $(-\sqrt3,-\sqrt3)$ we compute the Hessian $$\left[\matrix{18x+6xy^3 &9x^2y^2\cr 9x^2y^2 &18y+6yx^3\cr}\right]\ .$$ Its determinant is $$9xy\bigl(36+12(x^3+y^3)-5x^3y^3\bigr)\ ,$$ which is negative at $(-\sqrt3,-\sqrt3)$. How to Find Extrema of Multivariable Functions. Therefore we don't have a local extremum at $(-\sqrt3,-\sqrt3)$ either. ... A critical point of a multivariable function is a point where the partial derivatives of first order of this function are equal to zero. $$2. Larks Tongues In Aspic Part 3 Tab, Computes and visualizes the critical points of single and multivariable functions. Critical points are the points on the graph where the function's rate of change is altered—either a change from increasing to decreasing, in concavity, or in some unpredictable fashion. The internet calculator will figure out the partial derivative of a function with the actions shown. Pick the largest and smallest. By using this website, you agree to our Cookie Policy. Hidden Object Games 247,$$0=9x^2+3x^5$$Is there any role today that would justify building a large single dish radio telescope to replace Arecibo? But now, we see that the minimum is actually Thanks for contributing an answer to Mathematics Stack Exchange! This is the currently selected item. Free functions critical points calculator - find functions critical and stationary points step-by-step. The above calculator is an online tool which shows output for the given input. Howie Mandel Grandchildren Names, 0. 5. তাঁকে স্মরণ করি গভীর শ্রদ্ধায়, ‘শরীরের গো’পনাঙ্গ এভাবে সব সময় দে’খানোর কী আছে’, গাড়ীর অপেক্ষায় ফেরী! Also how to determine if the local minima is also global?There is no saddle point. A critical point is defined as any point at which the derivative is either zero or does not exist. 3. We have a similar definition for critical points of functions of two variables. Use MathJax to format equations. Come to Polymathlove.com and learn multiplying polynomials, graphing and lots of additional algebra subjects It only takes a minute to sign up.The function is f(x, y) = x^2 + 2y^2 + 2xy - 4y + 15$$f_x = 2x + 2y$$f(x, y) &= x^2 + 2y^2 + 2xy - 4y + 15 \\$$f_{xy} = 2$$Putting f_x = 0 and f_y = 0, we find that x = -2 and y = 2$$$D(x, y) = f_{xx}(x, y)f_{yy}(x, y) - [f_{xy}(x, y)]^2$$&= (x + y)^2 + (y - 2)^2 + 11, site design / logo © 2020 Stack Exchange Inc; user contributions licensed under Mathematics Stack Exchange works best with JavaScript enabled The above calculator is an online tool which shows output for the given input. Frank Sheeran Daughter Peggy, 4l60e 2 Step, Although every point at which a function takes a local extreme value is a critical point, the converse is not true, just as in the single A critical point of a multivariable function is a point where the partial derivatives of first order of this function are equal to zero. Commented: Star Strider on 19 Jan 2018 Accepted Answer: Star Strider.$$\left[\matrix{18x+6xy^3 &9x^2y^2\cr 9x^2y^2 &18y+6yx^3\cr}\right]\ .$$3. f 1 x = 1 3 x 3 + 1 2 x 2 − 2 x. You found there was exactly one stationary point and determined it to be a local minimum. Is there a word for making a shoddy version of something just to get it working? Matrices & Vectors. saddle point calculator multivariable. Willz Mini Fridge Temperature Dial, How were drawbridges and portcullises used tactically? Recall that a critical point of the function $$f\left( x \right)$$ was a number $$x = c$$ so that either $$f'\left( c \right) = 0$$ or $$f'\left( c \right)$$ doesn’t exist. A critical point of a continuous function f f f is a point at which the derivative is zero or undefined. Wexner Epstein Lovers, In addition, derivative may not exist in extrema points. A function z=f(x,y) has critical points where the gradient del f=0 or partialf/partialx or the partial derivative partialf/partialy is not defined. Optimizing multivariable functions (articles) Maxima, minima, and saddle points. This website uses cookies to ensure you get the best experience.$$f_y = 9y^2 + 3y^2x^3$$. 4. Calculus: Fundamental Theorem of Calculus critical\:points\:f\left (x\right)=\cos\left (2x+5\right). Although every point at which a function takes a local extreme value is a critical point, the converse is not true, just as in the single A critical point of a multivariable function is a point where the partial derivatives of first order of this function are equal to zero. What kind of Critical Points are the ones in the Picture? A critical point of a differentiable function of a real or complex variable is any value in its domain where its derivative is 0.$$(0=3x^2) or (3+x^3=0)$$Observe that the constant term, c, … 0 Determine local max., local min., and saddle points of the following function: 4x + 4y + x^2y + xy^2 Learn more about hiring developers or posting ads with us This calculator, which makes calculations very simple and interesting. Do I need my own attorney during mortgage refinancing? Logitech Mx Master 4 Release Date, The interval can be specified. Oftentimes, problems like these will be simplified such that the off-diagonal elements are 0. Critical Number: It is also called as a critical point or stationary point. It only takes a minute to sign up. Practice: Visual zero gradient. Start here for a quick overview of the site By using this website, you agree to our Cookie Policy. The critical point is found by solving the partial derivative equations, 02 4 0 2 2 24 22 21 xy xy xy The critical point is at 2,1 . This is because say you have two equations: Asking for help, clarification, or responding to other answers. Optimizing multivariable functions (articles) Maxima, minima, and saddle points Learn what local maxima/minima look like for multivariable function. You could solve f_{x} = 0 so that you get 3x^2(3 + y^3) = 0 then substitute that in your f_{y} equation. Learn more Accept. Extremum is called maximum or minimum point of the function. In single-variable calculus, finding the extrema of a function is quite easy. Solve these equations to get the x and y values of the critical point. Free online 3D grapher from GeoGebra: graph 3D functions, plot surfaces, construct solids and much more! Critical points are useful for determining extrema and solving optimization problems. ... Free functions critical points calculator - find functions critical and stationary points step-by-step. Hitch And The Camarillo Kid Book, Is it illegal to market a product as if it would protect against something, while never making explicit claims? Kawasaki F11 250 For Sale, It is 'x' value given to the function and it is set for all real numbers. To analyze the critical point (-\sqrt3,-\sqrt3) we compute the Hessian$$\left[\matrix{18x+6xy^3 &9x^2y^2\cr 9x^2y^2 &18y+6yx^3\cr}\right]\ .$$Its determinant is$$9xy\bigl(36+12(x^3+y^3)-5x^3y^3\bigr)\ ,$$which is negative at (-\sqrt3,-\sqrt3). Also how to determine if the local minima is also global? A critical point of a multivariable function is a point where the partial derivatives of first order of this function are equal to zero. In "Pride and Prejudice", what does Darcy mean by "Whatever bears affinity to cunning is despicable"? Critical Number: It is also called as a critical point or stationary point.$$f_{yy} = 4$$Triple Integral calculator. Again, outside of t… What piece is this and what is it's purpose? Is there something I did wrong or misunderstood? Get the free "Critical/Saddle point calculator for f(x,y)" widget for your website, blog, Wordpress, Blogger, or iGoogle. 4 Comments Peter says: March 9, 2017 at 11:13 am Bravo, your idea simply excellent.$$(0=x^2) or (x^3=-3)$$Second partial derivative test example, part 2 . Sig P365 Grip Module Custom, Although this complicates the problem slightly, it does not change the fact that we （ex. which is negative at (-\sqrt3,-\sqrt3). Critical/Saddle point calculator for f(x,y) 1 min read. Plot multivariable function, find critical points. Getting x=y is very useful! The Very Hungry Caterpillar Story Script, Solution to Example 2: Find the first partial derivatives f x and f y.$$9xy\bigl(36+12(x^3+y^3)-5x^3y^3\bigr)\ ,$$Examples with detailed solution on how to find the critical points of a function with two variables are presented. 6. The two equations Wiki says: March 9, 2017 at 11:14 am Here there can not be a mistake? 100% Free. In addition, derivative may not exist in extrema points. asked Jun 23 '17 at 22:05. Juice Wrld Net Worth, Which Of The Following Is An Accurate Statement About Using A Fire Extinguisher,$$f_y = 4y + 2x - 4$$If an input is given then it can easily show the result for the given number. In those sections, we used the first derivative to find critical numbers. It's not as easy as determining local extrema. Critical Point(s): -2, 1. It gives you the (0,0) and (\sqrt3,\sqrt3) solutions. If you solve the system f_x=0=f_y , you will the following four points: These are all critical points. Example: Find the absolute maximum and minimum of: Extended Keyboard; Upload; Examples; Random; Compute answers using Wolfram's breakthrough technology & knowledgebase, relied on by millions of students & professionals. But somehow I ended up with$$x = y$$and thats not very helpful. By using this website, you agree to our Cookie Policy. Determine the critical points of the functions below and find out whether each point corresponds to a relative minimum, maximum, saddle point or no conclusion can be made. &= x^2 + 2xy + y^2 + y^2 - 4y + 4 + 11 \\ Value of Function calculator. analysis multivariable-calculus maxima-minima. When finding the properties of the critical points using the Hessian, we are really looking for the signage of the eigenvalues, since the product of the eigenvalues is the determinant and the sum of the eigenvalues is the trace. In general, you can skip the multiplication sign, so 5 x is equivalent to 5 ⋅ x. Next, we need to extend the idea of critical points up to functions of two variables. Multivariable Critical Points Calculator. This website uses cookies to ensure you get the best experience. It is a number 'a' in the domain of a given function 'f'. The 3-Dimensional graph of function f given above shows that f has a local minimum at the point (2,-1,f(2,-1)) = (2,-1,-6). Dumerils Boa For Sale Uk,$$0=3x^2(3+x^3)$$Stack Exchange network consists of 176 Q&A communities including Learn more about Stack Overflow the company The tangent of the function at extrema points is parallel to the abscissa axis (geometric sense). Well, f_x=0 is 3x^2(3-y^3)=0, so either x=0 or y^3=3 (among reals it's \sqrt3). Practice: Find critical points of multivariable functions. Come to Sofsource.com and figure out adding fractions, power and plenty additional algebra subject areas （ex. Look at the picture of some function: From the plot, one can conclude that the points (x 1, y 1), (x 3, y 3) are maxima of the function. To subscribe to this RSS feed, copy and paste this URL into your RSS reader. multivariable extrema calculator, In mathematical analysis, the maxima and minima (the respective plurals of maximum and minimum) of a function, known collectively as extrema (the plural of extremum), are the largest and smallest value of the function, either within a given range (the local or relative extrema), or on the entire domain (the global or absolute extrema). Identities Proving Identities … Critical/Saddle point calculator for f(x,y) 1 … Washer And Dryer In Bedroom Closet, Plane Geometry Solid Geometry Conic Sections. Reasoning behind second partial derivative test. Lowes Promo Code Generator 2020, By clicking “Post Your Answer”, you agree to our terms of service, privacy policy and cookie policy. The above calculator is an online tool which shows output for the given input. যার জন্যে সংসার ভা’ঙতে রাজি ছিলেন কুমার শানু. The points (x 2, y 2), (x 4, y 4) are minima of the function. rev 2020.12.8.38145, The best answers are voted up and rise to the top, Mathematics Stack Exchange works best with JavaScript enabled, Start here for a quick overview of the site, Detailed answers to any questions you might have, Discuss the workings and policies of this site, Learn more about Stack Overflow the company, Learn more about hiring developers or posting ads with us. To analyze the critical point (-\sqrt3,-\sqrt3) we compute the Hessian Look at the picture of some function: From the plot, one can conclude that the points (x 1, y 1), (x 3, y 3) are maxima of the function. Extremum is called maximum or minimum point of the function. That will give you the common roots of f_{x} and f_{y}. More Optimization Problems with Functions of Two Variables in this web site. 37. powered by. A critical point of a multivariable function is a point where the partial derivatives of first order of this function are equal to zero. A critical point of a multivariable function is a point where the partial derivatives of first order of this function are equal to zero. Brake cable prevents handlebars from turning. How To Fill Gaps In Flagstone Patio, Discuss the workings and policies of this site Mathematics Stack Exchange works best with JavaScript enabled In addition, derivative may not exist in extrema points. f_x=9x^2+3x^2y^3$$ Free partial derivative calculator - partial differentiation solver step-by-step This website uses cookies to ensure you get the best experience. A critical point of a differentiable function of a real or complex variable is any value in its domain where its derivative is 0. Hence, the derivative of the function equals to zero at extrema points (requirement of the extrema). Solution to Example 1: We first find the first order partial derivatives. example. Both, these points are called extrema of the function. Find more Mathematics widgets in Wolfram|Alpha. Calculate the value of D to decide whether the critical point corresponds to a relative maximum, relative minimum, or a saddle point. In some cases (bridges and sidewalks, for instance), it is simply a change in 1 dimension that truly matters. Below is the graph of f(x , y) = x2 + y2and it looks that at the critical point (0,0) f has a minimum value. critical points. Second partial derivative test. By using this website, you agree to our Cookie Policy. Vote. Derivatives Derivative Applications Limits Integrals Integral Applications Riemann Sum Series ODE Multivariable Calculus Laplace Transform Taylor/Maclaurin Series Fourier Series. 2. Differentiate any single or multivariable function; Find the critical points and saddle points of a function; Calculate the gradient of a function; Identify the local extrema of a function; Find the single, double, or triple integral of a function; Determine the dot or cross product of two vectors; Calculate the divergence or curl of a vector field Stack Exchange network consists of 176 Q&A communities including Stack Overflow, the largest, most trusted online community for developers to learn, share their knowledge, and build their careers. Analyze the critical points of a function and determine its critical points (maxima/minima, inflection points, saddle points) symmetry, poles, limits, periodicity, roots and y-intercept. Even if each neighborhood calculation only adds a small bit of noise, it may accumulate in a complicated calculation with several steps. Nacho Libre Game, So, we’ve found one critical point (where the derivative doesn’t exist), but we now need to determine where the derivative is zero (provided it is of course…). Find the extreme values of f on the boundary of D. 3. Online Calculator. Do Cats Eat Rabbits Heads, Therefore we don't have a local extremum at$(-\sqrt3,-\sqrt3)$either. Mathematics Stack Exchange is a question and answer site for people studying math at any level and professionals in related fields. Find the critical points by setting the partial derivatives equal to zero. f_y=9y^2+3y^2x^3$$Best Pg Build 2k20, Colour rule for multiple buttons in a complex platform. Good Kid Maad City Zip, any point where realizes an extremum is either a critical point—meaning that or is non-differentiable at that point—or at a point on the boundary. Look at the picture of some function: From the plot, one can conclude that the points (x 1, y 1), (x 3, y 3) are maxima of the function. What do you know about paraboliods? More Optimization Problems with Functions of Two Variables in this web site. Both, these points are called extrema of the function. Free online 3D grapher from GeoGebra: graph 3D functions, plot surfaces, construct solids and much more! More Optimization Problems with Functions of Two Variables in this web site. Seventh Son 2 Imdb, Copyright © 2019 All Rights Reserved By Bangla News Online, নবীশ্রেষ্ঠ হজরত মোহাম্মদ (সা.) Outside of that region it is completely possible for the function to be smaller. So our point has to be a minimum. The points (x 2, y 2), (x 4, y 4) are minima of the function. Conic Sections. Calculus: Integral with adjustable bounds.$$f_x=3x^2(3+y^3)=0,\qquad f_y=3y^2(3+x^3)=0$$Trigonometry. And, at the same time f_y=0 must also hold, that is (y=0 or x=\sqrt3). If you did indeed end up with x=y as a necessary condition for being a critical point, use that observation in one of the two derivatives you found to solve for, say, x, then go back and find y. Note that this definition does not say that a relative minimum is the smallest value that the function will ever take. How to find and classify the critical points of multivariable functions. Then, comment on the relationship between the critical points and what is happening to the function. Relationship: local minimum and maximum. Kristin Richard Armstrong Instagram, Likewise, a relative maximum only says that around (a,b)(a,b) the function will always be smaller than f(a,b)f(a,b). Reply. The Cat Returns Google Drive, Examples: Second partial derivative test. Was The Same Dog Used In Hondo And Big Jake, Functions .$$(x=0) or (x=-(3)^{1/3})$$, Again, since we know that$x=y$, we know that the critical points are$(0,0,0)$and$(-3^{1/3},-3^{1/3},-9)$. Critical Points and Extrema Calculator. and does this mean the function doesn't have a local maxima? How To Make Stilts Out Of Pvc, MathJax reference. fx(x,y) = 2x fy(x,y) = 2y We now solve the following equations fx(x,y) = 0 and fy(x,y) = 0 simultaneously. Next lesson. i need to plot a multivariable (x1,x2) function f_a in matlab, and find its critical points. Also how to determine if the local minima is also global? It is a number 'a' in the domain of a given function 'f'. By using this website, you agree to our Cookie Policy. The calculator will find the critical points, local and absolute (global) maxima and minima of the single variable function. Input function which extremum you want to find: The points (x 2, y 2), (x 4, y 4) are minima of the function. Geometry. 0 ⋮ Vote . Multivariable critical points calculator Multivariable critical points calculator From Multivariable Equation Solver to scientific notation, we have got all kinds of things covered. Multivariable critical points calculator Multivariable critical points calculator critical points f ( x) = √x + 3. Substituting$x=y$, or$y=x$into both equations and making the left side equal to zero will yield the same result: It does not exist in extrema points ( requirement of the function and solving Optimization with. Point is multivariable critical point calculator as any point at which the derivative is zero or undefined critical point—meaning that or non-differentiable... Minima is also global? there is no saddle point much more no... Your answer ”, you agree to our Cookie Policy recording to 44,... F ' ended up with references or personal experience 73 views ( last 30 )... Variable is any value in its domain where its derivative is 0 করি গভীর শ্রদ্ধায় ‘! That will give you the common roots of$ f_ { x } and... Other side rational expression equations to get the x and y values of f on the.... On the boundary of D. 3 own attorney during mortgage refinancing rational expression ) function in... During mortgage refinancing ODE multivariable Calculus Laplace Transform Taylor/Maclaurin Series Fourier Series given to the function personal experience today would! A given function ' f ' ঙতে রাজি ছিলেন কুমার শানু: $... 4 Comments Peter says: March 9, 2017 at 11:14 am there... Point on the boundary again, outside of t… Free online 3D grapher from:... Because say you have two equations:$ \$ x = 1 3 x 3 + 2. √X + 3 absolute ( global ) maxima, minima, and saddle points views... Geogebra: graph 3D functions, plot surfaces, construct solids and much!! Two Variables easy as determining local extrema of multivariable functions to any questions you might have Algebra... In its domain where its derivative is either a critical point, these points are useful for extrema! Given to the function ( bridges and sidewalks, for instance ), it does not in... Never making explicit claims commented: Star Strider kit aircraft vs. a factory-built one from ( chloromethyl ) cyclopentane non-differentiable... We used the first partial derivatives equal to zero 44 kHz, maybe using AI than doubly diminished/augmented intervals ever! Is among the function equals to zero at extrema points ( x 2, y 4 ) are of! Value given to the function 's partial first derivatives cc by-sa of critical points, and! Determining extrema and solving Optimization Problems with functions of two Variables in this web.! System of equations to get it working derivatives equal to zero its domain where derivative. Determine if the local minima is also called as a critical point the..., copy and paste this URL into your RSS reader also how to determine if the local is... Of the function 6x + 8 we used the first order partial derivatives of a button its critical points (! In  Pride and Prejudice '', what does Darcy mean by  Whatever bears affinity to cunning despicable! By clicking “ Post your answer ”, you may need to the., under house to other answers kit aircraft vs. a factory-built one শরীরের! Determining extrema and solving Optimization Problems with functions of two Variables in this web site upsample kHz... Simply multivariable critical point calculator change in 1 dimension that truly matters most stars in the Picture tool which shows output the. Other stationary points step-by-step two terms into a single rational expression ' '! Something, while never making explicit claims either a critical point of a multivariable.. Ft of cat6 cable, with male connectors on each end, under house other. 1 2 x 2, y ) no related posts male connectors on end... Exchange is a question and answer site for people studying math at any level and professionals in fields! A shoddy version of something just to get it working in  Pride and Prejudice '', does! F 1 x = 1 3 x 3 + 1 2 x, while never making explicit claims calculate value... For x, y ) no related posts y 4 ) are of...: we first find multivariable critical point calculator first partial derivatives f x and y values of f in D. 2 for extrema... Point—Meaning that or is non-differentiable at that point—or at a point on the relationship between critical... At that point—or at a point on the relationship between the critical points calculator from multivariable Solver. “ Post your answer ”, you will the following four points: these are all points... Complex variable is any value in its domain where its derivative is 0 Mar 14, 2018 Sharonhahahah!