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Mathematics, 04.02.2021 01:00 Enyo07

Greg is in a car at the top of a roller-coaster ride. The distance, d, of the car from the ground as the car descends is determined by the equation d = 144 – 16t2, where t is the number of seconds it takes the car to travel down to each point on the ride. For which interval of time is Greg’s car moving in the air?

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Greg is in a car at the top of a roller-coaster ride. The distance, d, of the car from the ground as...
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