For the given functions f and g, find the requested function and state its domain.f(x) = 6 - 6x; g(x) = -3x + 6Find f + g.
A. (f + g)(x) = 3x; all real numbers
B. (f + g)(x) = -3x + 6; {x| x ? 2}
C. (f + g)(x) = -3x + 12; {x|x ? - 4}
D. (f + g)(x) = -9x + 12; all real numbers
Answer: D
Mathematics
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