Find functions f and g so that h(x) = (f ? g)(x).h(x) =  + 9

A. f(x) = 3/x2, g(x) = 9
B. f(x) = 1/x, g(x) = 3/x + 9 
C. f(x) = x, g(x) = 3/x + 9 
D. f(x) = x + 9, g(x) = 3/x2


Answer: D

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