www.sunwestDLC.ca 4. A batter hits a baseball straight up into the air. The ball's height, h, in metres, is given by: h(t) = -4.9t2 + 12t + 1.1, where t, is time in seconds. Use the quadratic formula to determine how long the ball will be in the air before it lands on the ground? Round to the nearest hundredth of a second (2 marks)