Use the shell method to find the volume of the solid generated by revolving the region bounded by the given curves and lines about the y-axis.y = x2 - 3, y = 2x, x = 0, for x ? 0
A. 
?
B. 18?
C. 45?
D. 
?
Answer: D
Mathematics
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Evaluate the integral.
A. 10 cosh (4x - 2) + C
B. 
cosh (4x - 2) + C
C. 
cosh 4x + C
D. 40 cosh (4x - 2) + C
Mathematics
Solve the problem.David's company has to ship 4950 boxes of sprinklers. If a truck can hold 550 boxes, how many truckloads does he need to ship all the boxes?
A. 9 truckloads B. 7 truckloads C. 10 truckloads D. 8 truckloads
Mathematics
Perform the indicated operations.( 3x2 - 3x - 2) + ( -6x2 - 9x + 8)
A. 3x2 + 12x + 6 B. 9x2 - 12x - 10 C. 9x2 - 12x + 10 D. -3x2 - 12x + 6
Mathematics
Simplify the exponential expression.(-2x)6
A. -12x B. 64x C. -12x6 D. 64x6
Mathematics