Mathematics

Gemma

5 January, 20:56

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?

A. { (1, 6.7), (2, 6.4), (3, 6.1) } B.{ (1, 7.0), (2, 6.7), (3, 6.4) } C.{ (6.7, 1), (6.4, 2), (6.1, 3) }D.{ (7.0, 1), (6.7, 2), (6.4, 3) }