A survey of the traffic on a particular highway showed that the number of cars passing a
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A survey of the traffic on a particular highway showed that the number of cars passing a particular point each minute varied linearly from 6:30 a.m. to 8:30 a.m. on workday mornings. The study showed that an average of 45 cars passed the point in 1 min at 7 a.m. and that 115 cars passed in 1 min at 8 a.m. If n is the number of cars passing the point in 1 min, and t is the number of minutes after 6:30 a.m., find the equation relating n and t, and graph the equation. From the graph, determine n at 6:30 a.m. and at 8:30 a.m. What is the meaning of the slope of the line?
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ANSWER To find the equation relating n and t we need to determine the slope and yintercept of the li...View the full answer
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Related Book For 
Basic Technical Mathematics
ISBN: 9780137529896
12th Edition
Authors: Allyn J. Washington, Richard Evans
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