For the pair of functions, find the indicated domain.For f(x) =  and g(x) = Find the domain of fg.

A. (1, 8) ? (8, ?)
B. [0, 8) ? (8, ?)
C. [1, 8) ? (8, ?)
D. [1, ?)


Answer: C

Mathematics

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A.
B.
C.
D.

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Solve the problem.There are 8 women running in a race. How many first, second, and third place possibilities can occur?

A. 24 B. 56 C. 512 D. 336

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Estimate the interval(s) on which the function is increasing and decreasing.f(x) = x4 - 12x2 + 35

A. decreasing on (-?, -2.45)?(2.45, ?);  increasing on (-2.45, 2.45) B. decreasing on (-?, -2.65)?(-2.24, 2.24)?(2.65, ?); increasing on (-2.65, -2.24)?(2.24, 2.65) C. increasing on (-?, -2.45)?(0, 2.45); decreasing on (-2.45, 0)?(2.45, ?) D. decreasing on (-?, -2.45)?(0, 2.45); increasing on (-2.45, 0)?(2.45, ?)

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Find the average value of the function f over the region R.f(x, y) = ; 1 ? x ? 3, 1 ? y ? 3

A. 2
B.
C. 2
D.

Mathematics