Find the series' radius of convergence.
A. 4
B. 1
C. 8
D. ?, for all x
Answer: A
Mathematics
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Find the volume of the solid generated by revolving the region about the y-axis.The region in the first quadrant bounded on the left by the circle x2 + y2 = 16, on the right by the line 
, and above by the line y = 4
A. 
?
B. 64?
C. 16?
D. 
?
Mathematics
Solve the equation.x2 - 81 = 80x
A. {-1, 81} B. {-9} C. {-9, 9} D. {-81, 1}
Mathematics
Given log10 
and log10 
find the logarithm without using a calculator.log10 
A. 0.6901 B. 0.5396 C. 1.1748 D. 1.0792
Mathematics
Evaluate the following improper integral whenever it is convergent.
?
?
A. 
B. ?
C. ?
D. ?
E. the integral is divergent
Mathematics