Find the area of the surface generated by revolving the curves about the indicated axis.x = 3 + cos t, y = sin t, 0 ? t ? ?; x-axis
A. 4?2
B. 12?
C. 4?
D. 12?2
Answer: C
Mathematics
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Solve the linear equation symbolically.10(x - 40) = 20
A. 42 B. 38 C. 40 D. 20
Mathematics
Provide an appropriate response.Simplify: 
Fill in the blank(s) with the appropriate word(s).
Mathematics
Use synthetic division to find the quotient and the remainder.(2x4 + 3x2 - 1) ÷ 
A. Q(x) = 2x3 - 1; R(x) = -3
B. Q(x) = 2x3 - 1; R(x) = 0
C. Q(x) = 2x3 + 
x2 - 
x + 
; R(x) = - 
D. Q(x) = 2x3 - 
x2 + 
x - 
; R(x) = - 
Mathematics
Find the indicated root. Give a decimal approximation if necessary. Round to the nearest thousandth.
A. 15 B. 15.460 C. 15.475 D. 15.447
Mathematics