Determine the indefinite integral.
, x > 4
A. 
tanh-1 
+ C
B. sinh-1 
+ C
C. cosh-1 
+ C
D. 
coth-1 
+ C
Answer: D
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The time required for a car to travel a certain distance varies inversely as the rate at which it travels. If it takes 10 hours at 60 miles per hour to travel the distance, how long will it take at 100 miles per hour?
A. t = 6 hours B. t = 10 hours C. t = 5 hours D. t = 9 hours E. t = 4 hours
Use DeMoivre's Theorem to find the following. Write your answer in standard form.
?
?
?
A. ?-8 - 8?i?
B. ?18i111111
C. ?-?16 - 16i
D. ?116
+ 16i?1
E. ?81111?1
Tell whether the statement is true or false.Some real numbers are integers.
A. True B. False
Write the indicated event in set notation.The event that Helen gets a prize in a competition in which two people are selected from four finalists to receive the first and second prizes. The prize winners will be selected by drawing names from a hat. The names of the four finalists are Jim, George, Helen, and Maggie. [The possible outcomes can be represented as follows.JGJHJMGJGHGMHJHGHMMJMGMHHere, for example, JG represents the outcome that Jim receives the first prize and George receives the second prize. ]
A. 
B. 
C. 
D. 