A baseball player hits a pop fly into the air. The function s(t) = -16t 2 +
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A baseball player hits a pop fly into the air. The function s(t) = -16t2 + 64t + 5 models the ball’s height above the ground, s(t), in feet, t seconds after it is hit. Use the function to solve Exercises 18–19.
After how many seconds does the baseball hit the ground? Round to the nearest tenth of a second.
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