Find the volume of the solid generated by revolving the region about the given axis. Use the shell or washer method.The region bounded by y = 7x - x2 and y = x about the line x = 6
A. 324?
B. 162?
C. 108?
D. 216?
Answer: D
Mathematics
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A. 
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D. 
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Simplify the power of i to i, 1, -i or -1.
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Solve the problem.From a group of 3 men and 4 women, a delegation of 2 is selected. What is the expected number of men in the delegation?
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Find the unit vector in the direction of the given vector. Write your answer in the indicated form.Let u = 
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A. 
B. 
i - 
j
C. 
i - 
j
D. 
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