Find the product.(2z2 - 9)(2z2 - 7)

A. 4z2 - 32z + 63
B. 4z4 + 4z2 + 63
C. 4z4 - 32z2 + 63
D. 4z4 + 63

Answer: C

Mathematics

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Write an equivalent expression by factoring out the greatest common factor.5t2  - 15t - 25

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If the function is one-to-one, find its inverse. If not, write "not one-to-one."f(x) = - , x ? 5

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