Determine which of the rational functions given below has the following feature(s).The vertical asymptote is x = 4
A. f(x) = 
B. f(x) = 
C. f(x) = 
D. f(x) = 
Answer: D
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Graph.16x2 - 9y2 = 144
A. 
B. 
C. 
D. 
Solve the problem.Chuck and Dana agree to meet in Chicago for the weekend. Chuck travels 164 miles in the same time that Dana travels 144 miles. If Chuck's rate of travel is 5 mph more than Dana's, and they travel the same length of time, at what speed does Chuck travel?
A. 34 mph B. 36 mph C. 48 mph D. 41 mph
Solve the problem.How many different 4-letter radio-station call letters can be made if the first letter must be K or W, repeated letters are allowed, but the call letters cannot end in an O?
A. 33,800 B. 456,976 C. 35,152 D. 16,900
The line graph shows the recorded hourly temperatures in degrees Fahrenheit at an airport. 
During which two hour period did the temperature increase the most?
A. 10 a.m. to 11 a.m. B. 9 a.m. to 11 a.m. C. 12 p.m. to 2 p.m. D. 10 a.m. to 12 p.m.