Mathematics, 07.04.2021 18:20 wrivera32802
A rocket carrying fireworks is launched from a hill 80 feet above a lake. The rocket will fall into lake after exploding at its maximum height. The rocket’s height above the surface of the lake is given by h(t)=-16t^2+64t+80 After how many seconds after it is launched will the rocket hit the lake?
Answers: 3
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