Mathematics, 15.05.2021 06:00 smartcookie85581

A toy rocket is fired into the air from the top of a barn. Its height h above the ground in yards after t seconds is given by the function h(t)=−5t2+10t+20. The initial height of the rocket is feet above the ground. The rocket reached its maximum height after
second(s).

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A toy rocket is fired into the air from the top of a barn. Its height h above the ground in yards af...

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