An object is thrown off a 256-foot-tall building, and the distance of the object from the ground is measured every second. The function that models the height, h, of the object after t seconds is h (t) = - 16t2 + 96t + 256. Determine the time when the object hits the ground. After how many seconds does the object hit the ground? A. 2 B. 4 C. 8 D. 16
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