Add.
A. 16
B. 14
C. 19
D. 17
Answer: A
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Solve the problem.Find the volume of the solid generated by revolving the region in the first quadrant bounded by the coordinate axes, the curve y = e-2x, and the line x = 5 about the y-axis.
A. - 
?(1 + 11 e-10)
B. 
?(1 - 11 e-10)
C. 
?(1 - 10 e-10)
D. 
?(1 - 9 e-10)
Find the total area of the region between the curve and the x-axis.y = (x + 4)3; 0 ? x ? 1
A. 
B. 369
C. 
D. 27
Solve the problem.The cost of manufacturing clocks is given by C(x) = 56 + 31x - x2. Also, it is known that in t hours the number of clocks that can be produced is given by x = 12t, where 
Express C as a function of t.
A. C(t) = 56 + 372t - 144t2 B. C(t) = 56 + 372t - 144t C. C(t) = 56 + 31t + t2 D. C(t) = 56 + 31t - 12
Factor completely. If the polynomial cannot be factored, say it is prime.6x4 - 5x2 - 6
A. (3x - 2)(2x + 3) B. (6x2 - 3)(x2 + 2) C. (2x2 - 3)(3x2 + 2) D. (2x2 + 1)(3x2 - 6)