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A rock is thrown from the top of a tall building. The distance in ft, between the rock and the ground t seconds after it

A rock is thrown from the top of a tall building. The distance in ft, between the rock and the ground t seconds after it is thrown is given by d= -16t^2-4t+382. How long after the rock is thrown is it at 370ft from the ground?

Using the Quadratic formula.

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