For the given functions f and g, find the requested function and state its domain.f(x) = 3 - 3x; g(x) = -5x + 3Find f + g.
A. (f + g)(x) = -2x; all real numbers
B. (f + g)(x) = -5x + 3; {x| x ? 
}
C. (f + g)(x) = -8x + 6; all real numbers
D. (f + g)(x) = 2x + 6; {x|x ? 3}
Answer: C
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