Question: When a driver decides to stop a car, it takes time first for the driver to react and put a foot on the brake, and

When a driver decides to stop a car, it takes time first for the driver to react and put a foot on the brake, and then it takes additional time for the car to slow down. The total distance traveled during this period of time is called thestopping distanceof the car. For some cars, the stopping distanced, in feet, is given by the equation d= 0.05r²+1.75r,

whereris the speed of the car in miles per hour.

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