Question

In: Math

1.) Find the local maximum and minimum values and saddle point(s) (x,y,f) of the function. If...

1.) Find the local maximum and minimum values and saddle point(s) (x,y,f) of the function. If you have three-dimensional graphing software, graph the function with a domain and viewpoint that reveal all the important aspects of the function. (Enter your answers as a comma-separated list. If an answer does not exist, enter DNE.)

f (x, y) = xy − 5x − 5y − x2 − y2

2.)Find the local maximum and minimum values and saddle point(s)(x,y,f) of the function. If you have three-dimensional graphing software, graph the function with a domain and viewpoint that reveal all the important aspects of the function. (Enter your answers as a comma-separated list. If an answer does not exist, enter DNE.)

f(x, y) = x3 + y3 − 3x2 − 9y2 − 9x

3.)Find the local maximum and minimum values and saddle point(s)(x,y,f) of the function. If you have three-dimensional graphing software, graph the function with a domain and viewpoint that reveal all the important aspects of the function. (Enter your answers as a comma-separated list. If an answer does not exist, enter DNE.)

f(x, y) = 5y cos(x), 0 ≤ x ≤ 2π

Solutions

Expert Solution

Graph is given at end 1 st image fir part 1 and 2 nd for part 2  

Note only 2 questions are allowed to answer ar atime I have given one extra hope u can do the rest


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