Solve the problem.To solve the rational inequality 
? 2, you can first write the inequality with 0 on one side and the other side expressed as a single fraction. What value or values of x make the numerator of that fraction equal to 0?
A. {2}
B. {-2}
C. {2, 3}
D. {3}
Answer: A
Mathematics
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Sketch D and g(D) from the description of D and change of variables 
x = 3u, y = 
v where D is the rectangle 0 ? u ? 2, 1 ? v ? 4 
?
A.
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B.
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C.
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D.
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Mathematics
Evaluate the integral which is given in cylindrical or spherical coordinates.
A. 52488?
B. 
?
C. 
?
D. 16?
Mathematics
Solve the problem.Find the radius of gyration about the z-axis of a thick-walled right circular cylinder bounded on the inside by the cylinder r = 1, on the outside by the cylinder r = 4, and on the top and bottom by the planes z = 6 and z = 10.
A. 510?
B. 
C. 
D. 
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Sketch the graph of the quadratic function.f(x) = -2x2 - 8x - 13
A. 
B. 
C. 
D. 
Mathematics