A function of x containing four ordered pairs of the form (x, y) is shown below: {(2,3), (4,5), (6,7), (8,9)}

What is the domain of the function?

Abaseball team drinks 10/4 gallons of water during a game. which mixed number represents the gallons of water consumed? a) 1 1/2 gallons b) 2 1/2 gallons c) 2 3/4 gallons d) 3 1/2 gallons