Find the inverse of the function.f(x) = 
, x ? -3
A. Not a one-to-one function
B. f-1(x) = x2 - 9, x ? 0
C. f-1(x) = x2 - 3, x ? 0
D. f-1(x) = -x2 + 3, x ? 0
Answer: C
Mathematics
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Find the integer pair that has the given product and sum.Product: 8Sum: -6
A. -2, -4 B. -2, -6 C. 2, 4 D. -2, 4
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Factor completely.28x2y2 + 31xy + 6
A. (4xy + 1)(7xy + 6) B. (4xy + 1)(7xy - 6) C. (4xy - 1)(7xy - 6) D. (4xy - 1)(-7xy + 6)
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Simplify. Express in terms of i.
A. -7
B. 7i
C. 7
D. -7i
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Add or subtract as indicated.-4 - 5
A. 9 B. 1 C. -1 D. -9
Mathematics