Solve the problem.Find the center of mass of the region of density 
bounded by the paraboloid 
and the xy-plane.
A. 
= 0, 
= 0, 
= 
B. 
= 0, 
= 0, 
= 
C. 
= 0, 
= 0, 
= 10
D. 
= 0, 
= 0, 
= 5
Answer: A
Mathematics
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Find the extreme values of the function subject to the given constraint.
A. Maximum: 1 at 
minimum: -1 at 
B. Maximum: 9 at 
minimum: -9 at 
C. Maximum: 1 at 
minimum: -1 at 
D. Maximum: 8 at 
minimum: -8 at 
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Sketch the graph of the function over the interval 0 ? x ? 2?.y = cos 
A. 
B. 
C. 
D. 
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For the given rational functions f(x) and g(x), f(x) + g(x).f(x) = 
, g(x) = 
A. 
B. 
C. 
D. 
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Solve the equation.-8x = -72
A. -64 B. 2 C. 64 D. 9
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