For the given functions f and g, find the requested composite function.f(x) = 4x2 + 3x + 5, g(x) = 3x - 6;Find (g ? f)(x).

A. 4x2 + 3x - 1
B. 4x2 + 9x + 9
C. 12x2 + 9x + 21
D. 12x2 + 9x + 9


Answer: D

Mathematics

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