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.x2 - 16y2 = 16, x = 7
A. 
?
B. 11?
C. 
?
D. 1?
Answer: B
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The magnitude M of an earthquake is related to the energy E, in terajoules, released by the quake. The relationship is given by the following equation:
A: What is the magnitude of a quake that releases 6.8 terajoules of energy? Round your answer to one decimal place.B: Make a graph of magnitude versus energy. Include up to 10 terajoules.C: What is the energy released by an earthquake of magnitude 5.29? Round your answer to two decimal places if necessary.
?
What will be an ideal response?
Refer to Exhibit 4-1. If consumers decide that they want 20 percent fewer weezils at every price, the equation for the new demand curve for weezils will be
a. Qd = 20 - 1.6P. b. Qd = 0.2(20 - 2P). c. Qd = 0.8(20 - 2P). d. Qd = 80(20 - 2P).
Find the indicated vector.Let u = 
. Find -9u.
A. 
B. 
C. 
D. 
Verify the identity.cos
= -sin ?
What will be an ideal response?