The graph shows the amount of water that remains in a barrel after it begins to leak. The variable x represents the number of days that have passed since the barrel was filled, and y represents the number of gallons of water that remain in the barrel. What does the y-intercept represent?
Answer
A
the amount of water that is added to the barrel each day
B
the amount of water that remains in the water barrel
C
the amount of water that is initially in the water barrel
D
the amount that the water barrel decreases each day