Final answer:
The volume of water in the can can be represented as a function of time by the equation y = 6 - 0.25x, where x is the time in minutes and y is the volume of water in gallons.
Step-by-step explanation:
The volume of water in the can can be represented as a function of time by the equation y = 6 - 0.25x, where x is the time in minutes and y is the volume of water in gallons. This is because the original volume of water in the can is 6 gallons, and the can dispenses water at a rate of 0.25 gallon per minute. Therefore, as time increases, the volume of water in the can decreases by 0.25 gallon per minute.
For example, after 1 minute (x = 1), the volume of water in the can would be y = 6 - 0.25(1) = 5.75 gallons.