20 points The graph below shows the water level in a tank being drained at a
constant rate. What does the X-intercept of the graph represent? *
Tank Water Level
у
16
14
12
(1, 10)
Height (in.)
(4,4)
4
2
0
1 2
3 4 5 6 7
Time (h)
The initial height of the water before any water drained out.
The number of hours it takes to completely empty the tank of water
The number of hours needed to drain 1 inch of water from the tank
The number of inches that the tank can hold