Compute answers using Wolfram's breakthrough technology &We can expand f to f (x,y) = xy − x2y − xy2 Next, find the partial derivatives and set them equal to zero Clearly, (x,y) = (0,0),(1,0), and (0,1) are solutions to this system, and so are critical points of f The other solution can be found from the system 1 −2x − y = 0, 1 − x − 2y = 0 Solving the first equation for y in terms ofNow substitute x = y − 3 x=y3 x = y − 3 in f (x 3) = x 2 8 x 16 f(x3)=x^28x16 f (x 3) = x 2 8 x 1 6 to get f (y) = y 2 2 y 1, f(y)=y^22y1, f (y) = y 2 2 y 1, and hence f (x) = x 2 2 x 1 = (x 1) 2 f(x)=x^22x1=(x1)^2\ _\square f (x) = x 2 2 x 1 = (x 1) 2 The above was a simple use of substitution Increasing And Decreasing Functions F your feelings