For the given functions f and g, find the requested function and state its domain.f(x) = 2x3 - 1; g(x) = 5x2 + 2Find f ? g.
A. (f ? g)(x) = 10x5 + 4x3 - 5x2 - 2; {x|x ? 0}
B. (f ? g)(x) = 10x5 + 4x3 - 5x2 - 2; all real numbers
C. (f ? g)(x) = 10x6 + 4x3 - 5x2 - 2; all real numbers
D. (f ? g)(x) = 2x3 + 5x2 - 2; all real numbers
Answer: B
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