Integrate the function.

A. x + ln  + C
B.  + C
C. 7 ln  + C
D. 7 ln  + C


Answer: D

Mathematics

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Solve the problem.If s is a distance given by s(t) = 3t3 + t + 4, find the acceleration, a(t).

A. a(t) = 9t B. a(t) = 9t2 + 1 C. a(t) = 3t2 + 1 D. a(t) = 18t

Mathematics

Simplify the expression. ? ? ?

A.
B.
C.
D.
E.

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Solve the problem.One fifth of Joan's earned income is deducted for withholdings. Three tenths of the withholdings are for federal income tax. What fraction of Joan's earned income is deducted for federal income tax?

A.
B.
C.
D.

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Perform the indicated operation or operations. Simplify, if possible. - 

A.
B. 8y
C. 0
D.

Mathematics