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Mathematics, 30.06.2019 11:30 MrConman8460

Arock is dropped from a cliff and into the ocean. the height h (in feet) of the rock after t sec is given by h = −16t^2 + 144.a) what is the initial height of the rock? b) when is the rock 80 ft above the water? c) how long does it take the rock to hit the water?

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Arock is dropped from a cliff and into the ocean. the height h (in feet) of the rock after t sec is...

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