For the given functions f and g, find the requested function and state its domain.f(x) = 5x3 - 1; g(x) = 6x2 + 1Find f ? g.

A. (f ? g)(x) = 30x5 + 5x3 - 6x2 - 1; all real numbers
B. (f ? g)(x) = 30x5 + 5x3 - 6x2 - 1; {x|x ? 0}
C. (f ? g)(x) = 30x6 + 5x3 - 6x2 - 1; all real numbers
D. (f ? g)(x) = 5x3 + 6x2 - 1; all real numbers


Answer: A

Mathematics

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