Find which values of x are solutions.3x2 - 11x = 4(a) x = 4(b) x = 0(c) x = - 
A. (a)
B. (a) and (b)
C. (b)
D. (a) and (c)
Answer: D
Mathematics
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Solve the problem.Find the volume generated by revolving about the y-axis the area bounded by the curves:x2 - 4y2 = 4, x = 5
A. 
?
B. 7?
C. 14?
D. 2?
Mathematics
Change the order of integration and evaluate the integral.
A. 
?
B. 
?
C. 
?
D. 
?
Mathematics
Solve the problem.The length a spring is stretched from its natural length with work, W
is given by L = 
where k is a constant for the given spring. If a certain spring has a constant of 37.1, and the spring is to be stretched 4.2 feet from its natural length, how much work will be necessary? Round your answer to the nearest tenth.
A. 77.9 foot-pounds B. 38 foot-pounds C. 654.4 foot-pounds D. 327.2 foot-pounds
Mathematics
Simplify.
A. 25 B. 4 C. 6 D. 5
Mathematics