Solve. Round your answer to three decimal places if necessary.3x = 81

A. 4
B. 5
C. 3
D. 27

Answer: A

Mathematics

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Express the integrand as a sum of partial fractions and evaluate the integral.dx

A.  tan-1(25x) +  + C
B. ln  -  + C
C. tan-1(5x) -  - + C
D.  tan-1(5x) -  + C

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Evaluate the expression.3-2

A. -9 
B. 9 
C.
D.

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Mathematics

Find the volume of the solid generated by revolving the region about the y-axis.The region enclosed by x = , 0 ? y ? , x = 0

A.
B. 6?
C.
D. 3?

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Mathematics

Reduce:

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Mathematics