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OpenStudy (whitneywathen):
The height h in feet of a baseball hit from home plate can be modeled by the function h(t) = -16t2 + 32t + 5.5, where t is the time in seconds since the ball was hit. The ball is descending when it passes 7.5 feet over the head of a 6-foot player standing on the ground. To the nearest tenth of a second, how long after the ball is hit does it pass over the player's head?
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