Find the volume of the solid generated by revolving the region about the given line.The region in the first quadrant bounded above by the line y = 1, below by the curve y = 
, and on the left by the y-axis, about the line y = - 1
A. 
?2 - 
?
B. 
? - 
C. 
?2 + 
?
D. 
?2 - 
?
Answer: D
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Evaluate the integral.
A. 
?
B. 
C. 
?
D. 
Solve the problem.Find the optimum number of batches (to the nearest whole number) of an item that should be produced annually (in order to minimize cost) if 180,000 units are to be made, it costs $3 to store a unit for one year, and it costs $340 to set up the factory to produce each batch.
A. 30 batches B. 22 batches C. 28 batches D. 20 batches
Solve the problem.Astou Ndiaye-Diatta scored 22 points in a recent basketball game without making any 3-point shots. She scored 15 times, making several free throws worth 1 point each and several field goals worth two points each. How many free throws did she make? How many 2-point field goals did she make?
A. 6 free throws, 9 field goals B. 8 free throws, 7 field goals C. 9 free throws, 6 field goals D. 10 free throws, 6 field goals
Determine the equation of the line described. Put answer in the slope-intercept form, if possible.Through (4, -8), perpendicular to y = 8
A. x = 4 B. x = 8 C. y = 8 D. y = -8