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OpenStudy (gm100299):
A car drove 60 miles in the first 45 minutes of a trip. It ran into heavy traffic and was only able to drive at a constant speed of 20 mph. What function describes the average speed during the trip as a function of time, h, in hours? a. f(h) = 60+20(h-0.75)/h where h >= 0.75 b. f(h) = 20h + 1.3 c. f(h) = 60h + 20 d. f(h) = 60h + 45/h check answer: c.
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