Evaluate the integral.
A. 
B. 
C. 
D. 
Answer: A
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Rationalize the denominator and simplify. Assume that variables represent positive values.
A. 
(
+ 1)
B. 
(
+ 1)
C. 
(
- 1)
D. 
(
+ 1)
Solve the problem.Suppose that $2000 is invested at 5% interest, compounded semiannually. Find the function for the amount of money after t years.
A. A(t) = 2000(1.05)2t B. A(t) = 2000(1.025)2t C. A(t) = 2000(1.05)t D. A(t) = 2000(1.025)t
Determine whether the statement is true or false. ? If two sets are equivalent, then they are countable. ?
A. False B. True
Solve the problem.Sergio's internet provider charges its customers $15 per month plus 4¢ per minute of on-line usage. Sergio received a bill from the provider covering a 
period and was charged a total of $101.00. How many minutes did he spend on-line during that period? (Round to the nearest whole minute, if necessary.)
A. The number of minutes is 65. B. The number of minutes is 1815. C. The number of minutes is 650. D. The number of minutes is 1565.