Mathematics, 07.07.2019 17:10, QueenLife4869

Arock is thrown in the air from the edge of a seaside cliff. its height in feet is represented by f(x) = –16(x2 – 3x – 18), where x is the number of seconds since the rock was thrown. the height of the rock is 0 feet when it hits the water. how long does it take the rock to hit the water? how many seconds?

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Arock is thrown in the air from the edge of a seaside cliff. its height in feet is represented by f(...