A ball is projected upward from ground level. After t seconds, its height in feet is a function defined by f(t) = -16t^2+80t. After how many seconds will it reach a height of 96 ft?

A ball is projected upward from ground level. After t seconds, its height in feet is a function defined by f(t) = -16t^2+80t. After how many seconds will it reach a height of 96 ft?

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