Evaluate the expression for the given value of x.
?
, x = - 
?
A. 
B. 
C. 
D. 
E. 
Answer: D
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Find the volume of the solid generated by revolving the region about the given line.The region bounded above by the line 
, below by the curve 
, and on the right by the line 
, about the line 
A. 
?
B. 
?
C. 
?
D. 
?
Solve the problem.Use each of the numbers 7, 8, 9, 10, and 11 once and only once to fill in the circles so that the sum of the numbers in the three horizontal circles equals the sum of the numbers in the three vertical circles. 
Which numbers can be placed in the middle of the horizontal row?
A. 7, 8, and 9 B. 9, 10, and 11 C. 8, 9, and 10 D. 7, 9, and 11
Simplify.
A. 
B. 
C. 
D. 
Use rational exponents to simplify the radical. If rational exponents appear after simplifying, write the answer in radical notation.
A. 
B. 
C. 
D. 