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Question 29 Ahmed is going to throw a ball from the top floor of his middle school. The function h(t) = -16t + 48t + 448 models the height, h, of the ball above the ground as a function of time t. Find the time(s) when the ball's height is 448 feet. The ball has a height of 448 feet when t seconds. (If there is more than one answer, express your answers separated by commas) The ball hits the ground at t seconds