Find the domain of the function.

A. {x|7 ? x ? 31}
B. {x|-7 ? x < 7 or 7 < x ? 31}
C. {x|x ? -7}
D. {x|-7 ? x ? 31}


Answer: D

Mathematics

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Find the following. Assume that the letter can represent any real number.

A.  - 7
B.  - 7
C. (z - 7)2
D.

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Graph the given functions on the same rectangular coordinate system. Describe how the graph of g is related to the graph of f.f(x) = x, g(x) = x + 2

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Write the expression in exponential form. Assume that all variables represent positive real numbers. 

A. 92 B. 95/3 C. 93/5 D. 9-3/5

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