B https://www.mathxl.com/Student/PlayerHomeworkespx?homewoi'kId=361977729& Diana Benavides' 6/2/16 1:36 pr A person standing close to the edge on the top of a 120 -foot build 'ig throws a baseball vertically upward. The quadratic function above the ground sh), in feet' t Seconds after It given below models the ball's height was thrown Complete parts (a) through (cl). s(t)= -16t2 + am 120 he a. After how many ends does the ball reach its maximum height? What is the maxu'num height? The ball reaches Its rnaXImum height of l: feet after D eeconds