A. Find the gradient of f. Vƒ = i+ j Note: Your answers should be expressions of x and y; e.g. "3x - 4y" B. Find the gradient of f at the point P. (Vf)(P) = i+ j Note: Your answers should be numbers C. Find the directional derivative of f at P in the direction of v. Duf = Note: Your answer should be a number

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