A watering can dispenses water at the rate of 0.25 gallon per minute. The original volume of water in the can was 6 gallons. Which set of ordered pairs shows the volume of water in the can in gallons (y), as a function of time in minutes (x), from the first minute after the can starts dispensing water? A. {(1, 6.0),(2, 5.75),(3, 5.50)}
B. {(6.0, 1),(5.75, 2),(5.50, 3)}
C. {(1, 5.75),(2, 5.50),(3, 5.25)}
D. {(5.75, 1),(5.50, 2),(5.25, 3)}