Mathematics, 01.12.2019 05:31, jadenja712

Ateacher uses a strong slingshot to release an object from the top of a school high in the air. the function a(t)=-16t^2+128t+50 gives the approximate altitude, in feet, of the object t seconds after it is released. how long will it be before the object hits the ground? round to the nearest second.

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Ateacher uses a strong slingshot to release an object from the top of a school high in the air. the...