For the given functions f and g, find the requested function and state its domain.f(x) = x - 6; g(x) = 9x2Find f - g.
A. (f - g)(x) = 9x2 - x + 6; (-?, ?)
B. (f - g)(x) = -9x2 + x - 6; (-?, 6) ? (6, ?)
C. (f - g)(x) = -9x2 + x - 6; (-?, ?)
D. (f - g)(x) = 9x2 + x - 6; (-?, ?)
Answer: C
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