Question: A point A is shown on a contour diagram of a function f(x, y). (a) Evaluate f(A). (b) Is f x (A) positive, negative, or

A point A is shown on a contour diagram of a function f(x, y).
(a) Evaluate f(A).
(b) Is f_x(A) positive, negative, or zero?
(c) Is f_y(A) positive, negative, or zero?

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a The point A is on the 88 contour so fA 88 b Mov... View full answer

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