Solve the problem.Wind speed varies in the first twenty meters above the ground. For a particular day, let 
model the wind speed x meters above the ground. At what height is the wind speed 9 meters per second? Round results to the nearest hundredth.
A. 1.79 m
B. 0.58 m
C. 0.56 m
D. 0.49 m
Answer: A
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Multiply or divide.
÷ 
A. - 
B. 1
C. 
D. - 1
Use a finite approximation to estimate the area under the graph of the given function on the stated interval as instructed.f(x) = 
between x = 1 and x = 7 using a lower sum with two rectangles of equal width.
A. 1.179 B. 0.373 C. 4.125 D. 0.124
Solve the problem.Every hour, the population of a certain country increases by about 9584. If this country's death rate is 2997 deaths per hour, what is this country's (hourly) birth rate?
A. 12,581 births per hour B. 12,083 births per hour C. 6587 births per hour D. 7506 births per hour
Use the line graph to answer the question.The line graph shows the 2001 sales data for the Big "D" company. 
Which month had the lowest sales?
A. Month 3 B. Month 7 C. Month 2 D. Month 5