Find the sum of the series by recognizing how it is related to something familiar.
A. e3x tan-1 4x
B. 
C. x3 tan-1 4x
D. x-3 tan-1 4x
Answer: C
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Express the number in standard notation.2.0433 × 10-7
A. 0.000000020433 B. 0.0000020433 C. 0.00000020433 D. -204,330,000
Sketch the curve.
+ 
= 1
A. 
B. 
C. 
D. 
Determine any local or absolute extrema as indicated.Estimate graphically the absolute extrema of 
A. No absolute maximum; absolute minimum: -3.33 B. Absolute maximum: -3.33; no absolute minimum C. Absolute maximum: -3.33; absolute minimum: 0.67 D. No absolute maximum; absolute minimum: 0.67
Solve the problem.Suppose that the speed of a car, measured in miles per hour (mph), is monitored for some short period of time after the driver applies the brakes. The following table relates the speed of the car to the amount of time, measured in seconds (sec), elapsed from the moment that the brakes are applied. Make a scatter diagram of the data. What is happening to the speed of the car during this time frame?
A. The speed of the car decreased as time elapsed.
B. The speed of the car increased as time elapsed.
C. The speed of the car increased as time elapsed.
D. The speed of the car decreased as time elapsed.