A watering can dispenses water at the rate of 0. 3 gallon per minute. The original volume of water in the can was 7 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? {(1, 6. 7), (2, 6. 4), (3, 6. 1)} {(1, 7. 0), (2, 6. 7), (3, 6. 4)} {(6. 7, 1), (6. 4, 2), (6. 1, 3)} {(7. 0, 1), (6. 7, 2), (6. 4, 3)}.