Find the volume of the solid generated by revolving the region bounded by the given curves about the x-axis.y = 2x, y = 4x, y = 2
A. 
?
B. 2?
C. 4?
D. 
?
Answer: D
Mathematics
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Solve the problem.Behemoth Back Packs, Inc. finds that the cost to make each of its backpacks is $25 and each backpack sells for $134. If the company's fixed costs for a month are $3315, how many backpacks must the company sell in a month in order to make a profit?
A. at least 31 backpacks B. at least 146 backpacks C. at most 75 backpacks D. at least 21 backpacks
Mathematics
Find the equation of the normal line to the indicated curve at the given point.y = 
at 
A. 8x + 22y + 113 = 0 B. 8x - 44y + 113 = 0 C. 8x - 22y - 113 = 0 D. 8x - 44y - 113 = 0
Mathematics
Find the limit.
A. 
B. 
C. 
D. Does not exist
Mathematics
Establish the identity.sin(4x) = (4 sin x cos x)(2 cos2 x - 1)
What will be an ideal response?
Mathematics