Solve the equation.x +  = 

A.  
B.
C.  
D. 2 


Answer: A

Mathematics

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Solve.The rate of return of certain investments increases as the risk factor of the investment increases. An investment with a risk factor of 2 has a rate of return of 5.0%. An investment with a risk factor of 18 has a rate of return of 20.0%. What is the average rate of return per unit of risk?

A. 0.72% per unit risk B. 0.94% per unit risk C. 1.38% per unit risk D. 1.07% per unit risk

Mathematics

Evaluate the spherical coordinate integral.

A.

?

B. ?
C. ?
D. ?

Mathematics

Use the shell method to find the volume of the solid generated by revolving the region bounded by the given curves and lines about the y-axis.x2 - 16y2 = 16, x = 7

A. ?
B. 11?
C. ?
D. 1?

Mathematics

By calculating an appropriate number of terms, determine if the series converges or diverges. If it converges, find the limit L and the smallest integer N such that  for  otherwise indicate divergence.an = 

A. L = 0, N = 8 B. diverges C. L = ln 4, N = 8 D. L = ln 2, N = 6

Mathematics