Question: Let z = f(x, y) = 3x 3 + 4x 2 y 2y 2 . Find the following. a. az ax b. z (-1,4)

Let z = f(x, y) = 3x3 + 4x2y – 2y2. Find the following.

a. az ax b. z (-1,4) . f (2,-1)

a. az ax b. z (-1,4) . f (2,-1)

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