Find the local maximum and minimum values and saddle point(s) of the function. You are encouraged to use a calculator or computer to graph the function with a domain and viewpoint that reveals all the important aspects of the function. (Enter your answers as comma-separated lists. If an answer does not exist, enter DNE.) f(x, y) = 5x + 2x² - y² local maximum value(s) local minimum value(s) saddle point(s) Need Help? Read It (x, y) = DNE DNE

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