For the given functions f and g, find the requested function and state its domain.f(x) = 3x3 + 1; g(x) = 4x2 + 1Find f ? g.
A. (f ? g)(x) = 12x6 + 3x3 + 4x2 + 1; all real numbers
B. (f ? g)(x) = 12x5 + 3x3 + 4x2 + 1; {x|x ? 0}
C. (f ? g)(x) = 12x5 + 3x3 + 4x2 + 1; all real numbers
D. (f ? g)(x) = 3x3 + 4x2 + 1; all real numbers
Answer: C
Mathematics
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