Solve the problem.Find the average rate of change.
Number of Hours Spent Traveling
A. 4.6 mph
B. 2.6 mph
C. 0.4 mph
D. 0.2 mph
Answer: A
Mathematics
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Use a calculator to approximate the area of the surface generated when the given curve is revolved about the x-axis. Round to two decimal places when necessary.y = x4 on [0, 1]
A. 0.55 B. 3.44 C. 1.47 D. 0.23
Mathematics
372 ÷ 12.0
A. 32 B. 3.1 C. 310 D. 31
Mathematics
Insert <, >, or = to make the statement true.5 _____ -5
A. < B. > C. =
Mathematics
Solve the problem.The intensity I of light varies inversely as the square of the distance D from the source. If the intensity of illumination on a screen 5 ft from a light is 2 foot candles, find the intensity on a screen 20 ft from the light.
A. 
foot-candle
B. 
foot-candle
C. 2 foot-candles
D. 1
foot-candles
Mathematics