A ball is thrown in the air from a ledge. Its height in feet is represented by
f (x) = - 16 (x2 - 6x - 7), where x is the number of seconds since the ball has been thrown. The height of the ball is 0 feet when it hits the ground.
How many seconds does it take the ball to reach the ground?
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Home » Mathematics » A ball is thrown in the air from a ledge. Its height in feet is represented by f (x) = - 16 (x2 - 6x - 7), where x is the number of seconds since the ball has been thrown. The height of the ball is 0 feet when it hits the ground.