O Macmillan Learning A child tosses a baseball upward and catches it as it falls back The height above the ground of the ball t seconds after the toss is given by h 16t 24t 3 where h is measured in feet How high above the ground is the ball when it is tossed Give your answer as a whole number initial height feet How long is the ball in the air The ball is caught when its height above the ground is the same as at the moment it is tossed Use decimal notation Give your answer to one decimal place time the ball is in the air seconds