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Mathematics, 02.12.2021 06:50 Biank2286

a toy rocket is launched upward from ground level with an initial velocity of 45 meters per second. its height is a function of time, given by h=-4.9t^2+45t, where h represents the height in meters and t represents the time in seconds. what is the maximum height reached by the rocket and how long is it in flight?

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a toy rocket is launched upward from ground level with an initial velocity of 45 meters per second....
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