Question: 3. Consider the following function f(x, y), defined for y> 0. f(x, y) = x y (a) (2 points) Find (z,y) and (x,y). (b)

3. Consider the following function f(x, y), defined for y> 0. f(x,

3. Consider the following function f(x, y), defined for y> 0. f(x, y) = x y (a) (2 points) Find (z,y) and (x,y). (b) (2 points) Find f(2,4), (2,4), and of (2,4). (c) (2 points) Let T be the tangent plane to graph of f(x, y) at the point (2, 4, f(2,4)). Determine if the point (1,4, 0) is in the tangent plane T.

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