For the given functions f and g, find the requested composite function.f(x) = x2 - 6, g(x) = x2 - 9;Find (f ? g)(x).

A. x4 - 12x2 + 27
B. x4 + 75
C. x4 - 18x2 + 75
D. x4 + 27


Answer: C

Mathematics

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