Find the domain of the rational function.f(x) = 
A. (-?, 5) ? (5, ?)
B. (-?, -5) ? (-5, ?)
C. (-?, ?)
D. (-?, - 2) ? (- 2, 2) ? (2, ?)
Answer: C
Mathematics
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A. (-7, 7] B. (-?, 7) C. (-7, 7) D. [-7, 7]
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A. 24
B. 24
C. 24
D. 24
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Solve the logarithmic equation. Be sure to reject any value that is not in the domain of the original logarithmic expressions. Give the exact answer.log x + log (x -1) = log 6
A. {3}
B. {3, -2}
C. 
D. {-2}
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Multiply.(x + 3)(x2 - 3x + 9)
A. x3 - 6x2 - 6x + 27 B. x3 + 6x2 + 6x + 27 C. x3 + 27 D. x3 - 27
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