Simplify.
A. 
B. 
C. 
D. 
Answer: D
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Use a calculator and the change-of-base formula to find the logarithm to four decimal places.log7 (0.635)
A. -0.1972 B. -0.2334 C. 11.0236 D. -4.2849
Solve the problem.Two toy cars race around a circular track (both go in the same direction). One car can travel around the track in 50 seconds. The other car travels around the track in 75 seconds. If both cars start from the same place, how long will it take for them to meet at the same place if they continue to race?
A. 3750 seconds B. 150 seconds C. 1875 seconds D. 1250 seconds
The bar graph below represents various colors of cars sold. Use the graph to answer the question(s). 
Which color sold under 20,000 cars?
A. Tan B. Yellow C. White D. Black
Differentiate the Taylor series about 0 for the given function. Then identify the function represented by the differentiated series. f(x) = e5x
A. 5 + 25x2 + 
+ ...= 5e5x
B. 1 + 5x + 
+ 
...= 5e5x
C. 1 + 5 + 
+ 
... = e5x
D. 5 + 25x + 
+ ...= 5e5x