Find the volume of the described solid.The solid lies between planes perpendicular to the x-axis at x = - 4 and x = 4. The cross sections perpendicular to the x-axis are semicircles whose diameters run from 
to 
A. 
?
B. 
?
C. 
?
D. 
?
Answer: C
Mathematics
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Graph the equation.y = 2x2
A. 
B. 
C. 
D. 
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Use synthetic division to express 
in the form (divisor)(quotient) + remainder for the divisor
x + 5.
?
A. 
B. 
C. 
D. 
E. none of these
Mathematics
For the given functions f and g, find the requested composite function value.f(t) = 
, g(t) = 
;
Find (f ? g)(9).
A. 360 B. 625 C. 31 D. 25
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Write an expression using exponents.(-x)(-x)(-x)(-y)(-y)
A. 3(-x) ? 2(-y) B. (-x-y)5 C. 5(-x)(-y) D. (-x)3(-y)2
Mathematics