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Mathematics, 18.01.2021 20:00 pedrojsq271

A rock is thrown off a cliff and falls toward a river. The height, in feet, of the rock above the river after t seconds is given by the expression 60 + 32t – 16t2. How many feet above the river is the rock 3 seconds after it is thrown?

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A rock is thrown off a cliff and falls toward a river. The height, in feet, of the rock above the ri...

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