Ariel is emptying the water from a 10 gallon cooler. The graph shows the water level in the cooler as she empties it. Which best describes the rate of change shown
in the graph?
10
9
8
F. The water level decreases 10 gallons per
second
G. The water level decreases 1 gallon every
2 seconds.
H. The water level decreases 3 gallons every
2 seconds
J. The water level decreases 2 gallons every
3 seconds
Water (Gallons)
NUO
1
1 2 3 4 5 6 7 8 9 10
Time (Seconds)