POSSIBLE POINTS: 10 7.
A bathtub containing 42 gallons of water starts to drain at a constant rate. The graph below shows
the amount of water remaining in the bathtub based on the amount of time that has passed.
Draining Bathtub
Use the table below to determine the rate of change.
Number
of
Minutes
Process
Amount
of
Water
Amount of Water
32
28
24
201
16
12
2 4 6 8 10 12 14 16 18 20 22 24
Number of Minutes
What is the rate of change for this situation?
OA) 2
OC)
2
OB) - 2
OD)
1
2