doris4770 doris4770

13-09-2022
Mathematics

contestada

driving at a speed of 75 mph, a mini cooper's fuel
efficiency is 29 miles per gallon. if the driver slows to
a speed of 60 mph, he will have a fuel efficiency of 34
miles per gallon. what is the average rate of change of
the fuel efficiency as the speed drops from 75 mph to
60 mph?

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