Find the domain of the composite function f?g.f(x) = 3x + 15,g(x) = x + 3

A. (-?, 8) or (8, ?)
B. (-?, ?)
C. (-?, -5) or (-5, -3) (-3, ?)
D. (-?, -8) or (-8, ?)


Answer: B

Mathematics

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A. - 
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D. - 

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A. Hyperboloid of two sheets B. Elliptical cone C. Ellipsoid D. Hyperboloid of one sheet

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A. $27,596 B. $29,840 C. $32,084 D. There is no median for this data set.

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Solve the problem.In the following formula, y is the minimum number of hours of studying required to attain a test score of x:  How many hours of study are needed to score 94?

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Mathematics