Find f(x) and g(x) such that h(x) = (f ? g)(x).h(x) = ?9x + 8?
A. f(x) = x, g(x) = 9x + 8
B. f(x) = -?x?, g(x) = 9x + 8
C. f(x) = ?-x?, g(x) = 9x - 8
D. f(x) = ?x?, g(x) = 9x + 8
Answer: D
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