5 Which set of ordered pairs represents a function?

When y’all answer can y’all explain too !

Which statement describes surface features called maria on the moon

Suppose that a households monthly water bill (in dollars) is a linear function of the amount of water the household uses (in hundreds of cubic feet, hcf). when graphed, the function gives a line with slope of 1.65. if the monthly cost for 13 hcf is $46.10 what is the monthly cost for 19 hcf?