For the given functions f and g, find the requested function and state its domain.f(x) = 2x - 6; g(x) = 9x - 5Find f - g.
A. (f - g)(x) = 7x + 1; all real numbers
B. (f - g)(x) = 11x - 11; {x|x ? 1}
C. (f - g)(x) = -7x - 11; {x|x ? - 
}
D. (f - g)(x) = -7x - 1; all real numbers
Answer: D
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A. 
B. 
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