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9. (12 pts) Let f (x) = 4x- + 2x -8 and g(x) =1 - 2x. (a) Evaluate the function g -f for x =-2.

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9. (12 pts) Let f (x) = 4x- + 2x -8 and g(x) =1 - 2x. (a) Evaluate the function g -f for x =-2. That is, find (g - f)(-2). Show work. (b) Evaluate the function f . g for x =-1. That is, find (fg)(-1). Show work. (c) Find the difference function (f -g)(x) and simplify the results. Show work

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