Find the functions f and g so that F(x) = (f o g) (x).F(x) = ?5x + 5?
A. f(x) = ?x?, g(x) = 5x + 5
B. f(x) = ?-x?, g(x) = 5x - 5
C. f(x) = x, g(x) = 5x + 5
D. f(x) = -?x?, g(x) = 5x + 5
Answer: A
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at 
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A. 
B. 
C. 
D. 