Add or subtract as indicated. Simplify, if necessary. - 

A. - 
B. - 
C.
D.

Answer: B

Mathematics

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Solve the problem.Find the volume of the solid generated by revolving the region bounded by the curve  and the   about the x-axis.

A. ?3
B. 9?2
C. ?2
D. 9?

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Perform the indicated operation. Simplify if possible. + 

A.
B. 3y
C. 0
D.

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Evaluate.Find (fg)(4) when f(x) = x - 2 and g(x) = -4x2 + 14x - 1.

A. 142 B. -18 C. -54 D. -390

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Find the median.1, 10, 28, 26, 31, 45

A. 23.5 B. 28 C. 26 D. 27

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