Simplify, if possible. If the answer is undefined, state so.
A. 10
B. - 8
C. 8
D. - 10
Answer: B
Mathematics
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Find the exact area of the surface obtained by rotating the given curve about the x-axis.
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Perform the indicated operations and simplify the result. Leave the answer in factored form.
? 
A. 
B. 
C. 
D. 
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Select the graph of the function. (Include two full periods.)
?
?
A. 
B. ?
C. 
D. 
E. 
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Add or subtract. Write the answer in lowest terms.
+ 
A. 
B. 
C. 
D. 
Mathematics