The graph models the height h, in meters, of a hot air balloon, t minutes after beginning to descend. How high was the balloon when it began its descent?
The balloon was
nothing m high when it began its descent.
Height of a Hot Air Balloon
0
1
2
3
4
5
6
7
8
9
10
0
10
20
30
40
50
60
70
80
90
100
Time t (min)
Height h (m)