Evaluate the integral.
x dx
A. x cos-1x - 
+ C
B. x cos-1x - 2
+ C
C. x cos-1x + 
+ C
D. x cos-1x - 
+ C
Answer: D
Mathematics
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Solve.A circular fountain has a statue in its center, 3 m from the edge. What is the distance around the fountain? Round results to the nearest tenth of a unit.
A. 18.8 m B. 9.0 m C. 16.8 m D. 9.4 m
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Find the general term of the arithmetic sequence.2, 8, 14, 20, 26, . . .
A. an = 6n - 4 B. an = 4n - 6 C. an = 6n - 2 D. an = 2(6)n-1
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Provide an appropriate response.True or false? If n > 0 is an even integer, then the area of the region enclosed by 
is twice the area of the region enclosed by 
Answer the following statement true (T) or false (F)
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Simplify.
A. 
B. 
C. 
D. 
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