SOLUTION: A ball is projected upward from ground level. After t seconds, its height in feet is a function defined by f(t) = -16t^2+112t. After how many seconds will it reach a height of 192

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Question 925398: A ball is projected upward from ground level. After t seconds, its height in feet is a function defined by f(t) = -16t^2+112t. After how many seconds will it reach a height of 192 ft.
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