Multiply. Write the answer in simplest form.7 ? 4

A. 11
B. 112
C. 28
D. 29

Answer: D

Mathematics

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Solve the problem.If f(4) = 15, what is f-1(15)?

A.
B. 15
C. -4
D. 4

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The graph of a function f is given. Use the graph to answer the question.For what numbers x is f(x) = 0?

A. -15, 17.5, 25 B. -15, 17.5 C. -15 D. -25, -15, 17.5, 25

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Find the unknown length in the right triangle. Simplify the answer if necessary.

A. 5
B. 10
C. 20
D. 24

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Perform the indicated operations. Write the answer using only positive exponents. Assume that all variables represent positive real numbers.

A. ( m + 2)15/4
B. -( m + 2)15/4
C.
D.

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Mathematics