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

A. {x|x ? -7}, or (-?, -7) ? (-7, ?)
B. all real numbers, or (-?, ?)
C. {x|x ? 0}, or (-?, 0) ? (0, ?)
D. {x|x < 7}, or (-?, 7)

Answer: A

Mathematics

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A. , 
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C. - , - 
D. , 

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