Question: f(x, y) = ^3 + 2xy + y^2 + y (a) Find the partial derivatives fx(x, y) and fy(x, y) (b) Determine the critical points

f(x, y) = ^3 + 2xy + y^2 + y (a) Find the partial derivatives fx(x, y) and fy(x, y) (b) Determine the critical points of f (c) Classify the critical points of f

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