Find the volume of the described solid.The solid lies between planes perpendicular to the x-axis at x = - 6 and x = 6. The cross sections perpendicular to the x-axis are semicircles whose diameters run from 
to 
A. 144?
B. 288?
C. 576?
D. 72?
Answer: A
Mathematics
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Graph the function. Describe its position relative to the graph of the indicated basic function.f(x) = 
ln x; relative to f(x) = ln x
A. Shrunk vertically
B. Moved down 6 units
C. Shrunk horizontally
D. Stretched vertically
Mathematics
Solve the problem.Find the area bounded by y = 
, x = 0, y = 0, and x = 3.
A. 
tan-1
B. sin-1
C. 
tan-1
D. 
sin-1
Mathematics
Factor.16 - w2
A. (4 + w)2 B. 16 - w2 C. (4 - w)2 D. (4 - w)(4 + w)
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Find the product.(7x - 1)(x2 - 2x + 1)
A. 7x3 - 15x2 + 9x - 1 B. 7x3 + 15x2 - 9x + 1 C. 7x3 - 13x2 + 5x - 1 D. 7x3 - 14x2 + 7x + 1
Mathematics