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15-12-2022
Mathematics

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A waterfall has a height of 1500 feet. A pebble is thrown upward from the top of the falls with an initial velocity of 12 feet
per second. The height, h, of the pebble after t seconds is given by the equation h= -16t² +12t+1500. How long after
the pebble is thrown will it hit the ground? Use a graphing calculator to solve the problem.

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