Subtract the integers.-31 - (-69)
A. 78
B. 38
C. 36
D. 100
Answer: B
Mathematics
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Find the surface area or volume.Use numerical integration with a programmable calculator or a CAS to find, to two decimal places, the area of the surface generated by revolving the curve 
about the x-axis.
A. 14.42 B. 1.48 C. 9.29 D. 7.21
Mathematics
Find the interval of convergence of the series.
A. 1 ? x ? 13 B. x < 13 C. 6 ? x ? 8 D. -13 < x < 13
Mathematics
Perform the indicated operation and write the answer in lowest terms. 
+ 
+ 
A. 
B. 
C. 
D. 
Mathematics
Use the horizontal line test to determine whether the function is one-to-one.
A. Yes B. No
Mathematics