Perform the indicated operation and simplify.
- 
A. 
B. 
C. 7
D. 
Answer: B
Mathematics
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Find the volume of the solid generated by revolving the region about the given axis. Use the shell or washer method.The triangle with vertices (0, 0), (0, 2), and (5, 2) about the line x = 5
A. 
?
B. 
?
C. 
?
D. 
?
Mathematics
FInd the tangential and normal components of the acceleration.r(t) = (cosh t)i + (sinh t)j + tk
A. a = (
sinh t)T + N
B. a = (-sinh t)T + N
C. a = (sinh t)T + N
D. a = (- 
sinh t)T + N
Mathematics
Evaluate or simplify the given expression.cos-1 
A. 0
B. ?
C. 
D. 
Mathematics
For the given functions f and g, find the requested composite function.f(x) = 
, g(x) = x - 8; Find the function f ?g.
A. 
B. 
C. 
D. 
Mathematics