For the given functions f(x) and g(x), find (f ? g)(x) or (x) as indicated.f(x) = x2 + 14x + 45, g(x) = x + 9Find (x).

A. x - 36 
B. x3 - 36
C. x2 + 5
D. x + 5 


Answer: D

Mathematics

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