jess233491 jess233491

28-09-2022
Mathematics

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MODELING REAL LIFE The graph shows the speed of a blue car after the driver applies the brakes, represented by y = - 3x + 35, where x is the time (in seconds) and y is the speed (in miles per hour). The driver of a red car applies the brakes while traveling 30 miles per hour. The speed of the red car decreases at a constant rate until the car comes to a complete stop 4 seconds later. Compare the initial speeds and stopping times.

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