Use the shell method to find the volume of the solid generated by revolving the region bounded by the given curves and lines about the y-axis.y = 
, y = 0, x = 5, x = 7
A. 15?
B. 30?
C. 20?
D. 10?
Answer: C
Mathematics
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Verify the identity.
+ 1 = 2 sin2 x
What will be an ideal response?
Mathematics
The function f is one-to-one. Find its inverse.f(x) = 
A. f-1(x) = 
B. f-1(x) = 
C. f-1(x) = 
D. f-1(x) = 
Mathematics
Simplify. Express your answer with positive exponents. Assume that all variables are nonzero.x-7
A. - 
B. x1/7
C. 
D. -x7
Mathematics
Multiply. Write the answer in simplest form.
? 
A. 
B. b
C. b2
D. b3
Mathematics