Evaluate the integral.
A. 2
+ 2
tan-1 
+ C
B. 
ln 
+ C
C. 
tan-1 
+ C
D. 
ln 
+ C
Answer: D
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Evaluate the expression.84
A. 64 B. 512 C. 32 D. 4096
Solve the problem.Suppose you pay $2.00 to roll a fair die with the understanding that you will get back $6.00 for rolling a 6 or a 2, nothing otherwise. What are your expected winnings?
A. $6.00 B. $2.00 C. $0.00 D. -$2.00
Factor the sum or difference of two cubes.216p3 + 1
A. (6p + 1)(36p2 + 1) B. (6p + 1)(36p2 - 6p - 1) C. (6p + 1)(36p2 - 6p + 1) D. (6p + 1)(36p2 + 6p + 1)
Solve the problem.The number of VHS movie rentals has declined since the year 2000 due to the popularity of DVDs, as the following table shows. The exponential regression equation was found to be 
where x represents the number of years since 2000. Use a graphing calculator to determine the halving time for the exponential model.
A. 4 years B. 3 years C. 10 years D. 2 years