Find the partial fraction decomposition for the rational expression.

A.  +  -  +  + 
B.  +  +  +  + 
C.  +  +  +  + 
D.  +  +  +  + 


Answer: D

Mathematics

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Find the sum, if it exists.

A. - 
B.
C.
D. Does not exist

Mathematics

Frank's algebra grade is based on the average of four exams, which will count equally. His grades are 85, 70, 70 and 85. Find his average. ?

A. 72.5 B. 77.5 C. 82.5 D. 92.5 E. 87.5

Mathematics

Find the general solution for the differential equation.  = 7x6y - 6x5y

A. y = -
B. y = -
C. y = e(x7 - x6) + C
D. y = Me(x7 - x6)

Mathematics

State the domain of the given function.f(x) = 

A. {x|x is a real number} B. {x|x > 4} C. {x|x = 4} D. {x|x is a real number and x ? 4}

Mathematics