Suppose f (x, y) = 4x? + 3y? . a. Calculate the partial derivatives of f. b. Suppose f (x, y) = 16 . Use the implicit function theoremto calculate dyldx. c. What is the value of dyldx if x = 1, y = 2? d. Graph your results and use it to interpret the results inparts (b) and (c) of this problem.

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