Find the domain of the function.f(x) = 

A. {x|x ? -9}, or (-?, -9) ? (-9, ?)
B. {x|x > 0}, or (0, ?)
C. {x|x ? 9}, or (-?, 9) ? (9, ?)
D. {x|x < 0}, or (-?, 0)

Answer: C

Mathematics

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