Solve the problem.Find the volume of the solid generated by revolving the region bounded by the curve 
the 
and the vertical line 
about the x-axis.
A. 2?(e2 - 1)
B. ?(e2 - 1)
C. ?(e - 1)
D. ? e
Answer: A
Mathematics
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Find the sum of the first n terms of the following arithmetic sequence.a2 = -65, a5 = 220; n = 10
A. 3475 B. -3475 C. 2675 D. -5875
Mathematics
Solve the problem.An auditorium has 30 rows with 10 seats in the first row, 12 in the second row, 14 in the third row, and so forth. How many seats are in the auditorium?
A. 1230 B. 735 C. 1170 D. 600
Mathematics
Let 
. Find 
.
?
A. 
B. ?
C. ?
D. 
E. 
Mathematics
Solve. Write the answer using interval notation.- 0.2x ? - 0.3
A. (-?, -0.1] B. [0.1, ?) C. (-?, 1.5] D. [1.5, ?)
Mathematics