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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