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 = 3y2, x = 3
A. 
?
B. 
?
C. 1?
D. 
?
Answer: B
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Provide an appropriate response.The function f(x) = -32x + 8 is a probability density function on the interval 
What is b?
A. 0.38 B. 0.50 C. 0.25 D. 1
Find an equation of variation in which the following are true.y varies jointly as x and w and inversely as z, and y = 
when x = 2, w = 6, and z = 60.
A. y = 4xwz
B. y = 
C. y = 
D. y = 
Use the information given about the angle ? to find the exact value of the indicated trigonometric function.cot ? = -3, sec ? > 0Find cos 
.
A. -
B. -
C. 
D. 
Solve the problem.At a private arts and science academy, in addition to tuition, the school charges for lab fees and supplies as shown in the table below.
Let f(n) be the per-student charge (in dollars) for lab fees and supplies for nth grade; kindergarten is represented by 
A model for this situation is 
Estimate for what grade the per-student charge for lab fees and supplies is $21.
A. 4th grade B. 1st grade C. 2nd grade D. 3rd grade