What is the correct answer, that's too difficult for me!!!

4. [0/3 Points] PREVIOUS ANSWERS SCALCET8 14.7.012. PRACTICE ANOTHER Find the local maximum and minimum values and saddle point(s) 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+y33x26y29x local maximum value(s) DNE local minimum value(s) saddle point(s) (x, y, f) = Need Help? 5. [1/3 Points] PREVIOUS ANSWERS SCALCET8 14.7.014. PRACTICE ANOTHER Find the local maximum and minimum values and saddle point(s) 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) = 2y cos(x), 0 S x s 27! local maximum value(s) DNE J local minimum value(s) 1! saddle point(s) (x, y, f) = ( E'O'O) X Need Help