The function f is one-to-one. Find its inverse.f(x) = 4x
A. f-1(x) = -4x
B. f-1(x) = 
C. f-1(x) = 4x
D. f-1(x) = 
Answer: D
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Evaluate the integral. 
(Give your answer in exact form.)
A. 
- 
B. 
- 
C. 
- 
D. 
Solve the problem.Two friends decide to meet in Chicago to attend a Cub's baseball game. Rob travels 
in the same time that Carl travels 
Rob's trip uses more interstate highways and he can average 
more than Carl. What is Rob's average speed?
A. 47 mph B. 43 mph C. 42 mph D. 51 mph
Solve the problem.Alan's yard is rectangular and measures 17.7 meters by 19.6 meters. Maria's yard is rectangular and measures 37.9 meters by 41.8 meters. How much greater is the area of Maria's yard than the area of Alan's yard?
A. 1931.14 m2 B. 1237.30 m2 C. 12,373.0 m2 D. 42.4 m2
Find the unit vector having the same direction as v.v = -4j
A. u = -4j
B. u = - 
j
C. u = -j
D. u = 16j