# Is the following set of ordered pairs a function: (4,5),(3,4),(-2,5),(6,-8),(5,1)?

Yes, it is a function with domain $\left\{4 , 3 , - 2 , 6 , 5\right\}$ and range $\left\{5 , 4 , 5 , - 8 , 1\right\}$