Let f(x, y) = xez-v and P = (6,36). (a) Calculate Vfpl. (b) Find the rate of change of f in the direction Vfp. (c) Find the rate of change of f in the direction of a vector making an angle of 45° with V Answers: (a) 73.25 (b) 73.25 (c) 51.27 I

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