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Mathematics 13 Online
OpenStudy (anonymous):

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OpenStudy (anonymous):

A ball is thrown into the air with an initial upward velocity of 60 ft/s. Its height (h) in feet after t seconds is given by the function h = –16t² + 60t + 6. After about how many seconds will the ball hit the ground? (1 point) A. 3 B. 4 C. 5 D. 6

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