Find (f ? g)(x) and (g ? f)(x).f(x) = 5x2; g(x) = x + 3
A. (f ? g)(x) = 5x2 + 30x + 3
(g ? f)(x) = 5x2 + 45
B. (f ? g)(x) = 5x2 + 45
(g ? f)(x) = 5x2 + 30x + 3
C. (f ? g)(x) = 5x2 + 30x + 45
(g ? f)(x) = 5x2 + 3
D. (f ? g)(x) = 5x2 + 3
(g ? f)(x) = 5x2 + 30x + 49
Answer: C
Mathematics
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