Decide whether or not the functions are inverses of each other.f(x) = 8x - 9, g(x) = 

A. No
B. Yes

Answer: A

Mathematics

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Find the exact value of y, or state that y is undefined.y = cos-1 

A.
B.
C.
D.

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Mathematics

Factor completely.10x4 + 21x2 + 9

A. (2x2 + 1)(5x2 + 9) B. (10x2 + 3)(x2 + 3) C. (5x2 - 3)(2x2 - 3) D. (2x2 + 3)(5x2 + 3)

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Mathematics

Find A-1, if it exists.A = 

A.

B.

C.

D. Does not exist

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Mathematics

Use the order of operations to simplify the expression.4 ? 22 - 

A. 7
B. 16
C. 3
D. 15 

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Mathematics