Solve the problem.Find the volume generated by revolving the curve y = cos 2x about the x-axis, 0 ? x ? ?/24
A. 
+ 
B. 
+ 
C. 
+ 
D. 
Answer: A
Mathematics
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Graph the solution set of the system of inequalities.
+ 
? 1
+ 
? 1
A. 
B. 
C. 
D. 
Mathematics
Express the value of the inverse hyperbolic function in terms of natural logarithms.tanh-1 
A. 
ln 13
B. 
ln -13
C. 
ln 143
D. 
ln 1
Mathematics
Find the indicated vector.Let u = 
. Find -7u.
A. 
B. 
C. 
D. 
Mathematics
Use Cramer's Rule, if possible, to solve the system of linear equations. 
A. (-9, -5) B. (-5, 9) C. (9, 5) D. (5, 9)
Mathematics