Write the partial fraction decomposition of the rational expression.

A.  +  + 
B.  +  + 
C.  + 
D.  +  + 


Answer: B

Mathematics

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Solve the problem.The lower edge of a dam is defined by the parabola (see figure). Use a coordinate system with y = 0 at the bottom of the dam to determine the total force on the dam. Lengths are measured in meters. 

A. 60,963,840 N B. 13,547,520 N C. 243,855,360 N D. 121,927,680 N

Mathematics

Find y ".y = 5 sin(2x + 8)

A. - 20 cos(2x + 8) B. - 10 sin(2x + 8) C. - 20 sin(2x + 8) D. 10 cos(2x + 8)

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Evaluate.3

A.
B.  
C.  
D. 3 

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Simplify.i-59

A. -i B. 1 C. -1 D. i

Mathematics