
The x-axis represents time (seconds), and the y-axis represents height above the ground (meters).
An object was launched upward from a platform. The graph shown models the height above ground, (meters), of the object seconds after it was launched. From what height was the object launched, and approximately how long was it in the air before hitting the ground?
0 meters, 4.5 seconds
10 meters, 2 seconds
10 meters, 4.5 seconds
28 meters, 4.5 seconds