Solve the problem.Estimate the area of the surface generated by revolving the curve y = cos 2x, 0 ? x ? ?/4 about the x-axis.Use the Trapezoidal Rule with n = 6.
A. 7.091
B. 5.108
C. 4.652
D. 4.606
Answer: D
Mathematics
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Determine if the sequence is monotonic and if it is bounded.an = 
A. decreasing; bounded B. not monotonic; bounded C. nondecreasing; bounded D. increasing; unbounded
Mathematics
Evaluate the improper integral.
A. 100 B. 60 C. 120 D. 80
Mathematics
An order of award presentations has been devised for seven people: Jeff, Karen, Lyle, Maria, Norm, Olivia, and Paul.In how many ways can the awards be presented so that Maria and Olivia will be next to each other?
A. 720 B. 1,220 C. 1,440 D. 1,680
Mathematics
Write in exponential form.11 ? 11 ? 11 ? 11 ? 11
A. 5 ? 11 B. 5 ? 511 C. 511 D. 115
Mathematics