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 x-axis.x = 18 - y2, x = y2, y = 0
A. 
?
B. 162?
C. 
?
D. 81?
Answer: D
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Give an appropriate answer.A bee was flying downward along the curve that is the intersection of 
with the plane y = 1. At the point 
the bee went off on the tangent line. Where did the bee hit the yz-plane?
A. (1, 0, -19) B. (0, 1, 25) C. (0, 1, -8) D. (0, 1, -19)
Solve the initial value problem.y'(t) + 7y = 3, y(0) = 1
A. y = 
e7t + 
B. y = 
e-7t + 
C. y = 
e7t + 
D. y = 
e-7t + 
Use the information below to determine the indicated set. U = {x | x ? N and x ? 15} A = {x | x ? N and 5 < x < 10} B = {x | x ? N and x is even and x < 14} C = {x | x ? N and 8 ? x ? 13}A ? (B ? C)
A. {6, 7, 8, 9, 10, 12} B. {6, 8, 9} C. {6, 8, 9, 10, 11, 12, 13} D. {5, 6, 7, 9, 10}
Complete the identity.The expression 
+ cot ?is to be the left hand side of an equation that is an identity. Which one of the following four expressions can be used as the right hand side of the equation to complete the identity?
A. cos ? B. sec ? C. csc ? D. tan ?