Mathematics, 23.09.2019 15:30 helpmegraduate40

The quadratic function h(t) = -16.1t2 + 150 models a ball's height, in feet, over time, in seconds,
after it is dropped from a 15 story building.
from what height, in feet, was the ball dropped?
after how many seconds, rounded to the nearest hundredth, did the ball hit the ground?

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The quadratic function h(t) = -16.1t2 + 150 models a ball's height, in feet, over time, in seconds,<...