ANSWER ALREADY INCLUDED. Please explain the solution. I believe it answers #c. Please rewrite the answer and explain. Thank you!

f = xyex-2 fx = vex' -y - 3x3 ye-x3-> fy = xex -y -2xye-x-> XS = 0 32/3 3 32/3 ys = NMINK g ( X, y) = xyex-2 ans = 0 V2 323 6 6 V2 32/3 6 61. For the function may) = xye-xiyz Show a graph. Show a contour plot. State any local or global maximum or minimum or saddle points. Include the MATLAB codes that you used