For the given functions f and g, find the requested function and state its domain.f(x) = 4 - 8x; g(x) = -2x + 8Find f + g.
A. (f + g)(x) = -6x + 12; {x|x ? - 2}
B. (f + g)(x) = -2x + 4; {x| x ? 2}
C. (f + g)(x) = 2x; all real numbers
D. (f + g)(x) = -10x + 12; all real numbers
Answer: D
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A. -24
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A. 20 sec.
B. 11 sec.
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A) 44 ft²
B) 20 ft²
C) 40 ft²
D) 14 ft²
E) 24 ft²