Solve the problem.Find the volume of the solid generated by revolving the region in the first quadrant bounded by the x-axis and the curve y = x cos x, 0 ? x ? ?/2 about the y-axis.
A. 
- 4?
B. 
- 4?
C. 
+ 2?2 - 4?
D. 
- 8?
Answer: B
Mathematics
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Locate any intercepts of the function.
A. (0, -2)
B. (0, 8), (4, 0), (
, 0)
C. (0, 8)
D. (0, -2), (4, 0), (
, 0)
Mathematics
Solve.A plane is cruising at 816 kilometers per hour. Convert this to miles per hour. Round to the nearest whole number.
A. 506 mph B. 889 mph C. 530 mph D. 1,314 mph
Mathematics
Multiply. Assume that all variables represent non-negative real numbers.5
? 12
A. 6000
B. 60
C. 600
D. 600
Mathematics
The graph of an exponential function is given. Match the graph to one of the following functions.
A. f(x) = - 4x B. f(x) = - 4-x C. f(x) = 4x D. f(x) = 4-x
Mathematics