A ball is kicked from ground level into the air. Its height h, in feet, after t seconds can be


Question:

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A ball is kicked from ground level into the air. Its height h, in feet, after t seconds can be represented by the equation h = 40t -16t2• What is the highest height, in feet, from the time the ball is kicked until it reaches ground level again? What is the elapsed time until it lands?

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