A ball is launched in the same way from a platform that is 1 foot shorter than the original 7-foot platform. The height , in feet, of the ball seconds after launch follows the same shape as before. Which graph shows this motion?
Graph shifted down 2 units (y-intercept 5)
Graph shifted down 1 unit (y-intercept 6)
Graph shifted up 1 unit (y-intercept 8)
Graph shifted up 2 units (y-intercept 9)
