For the given functions f and g, find the requested function and state its domain.f(x) = 
; g(x) = 
Find f ? g.
A. (f ? g)(x) = 
; {x|x ? 0}
B. (f ? g)(x) = 
; {x|x ? 1, x ? 9}
C. (f ? g)(x) = 
; {x|x ? 9}
D. (f ? g)(x) = 
; {x|1 ? x ? 9}
Answer: D
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