Does the graph represent a function and if so, why?

A.Yes, no two ordered pairs on this graph have the same second element.
B.Yes, there is more than one ordered pair on this graph.
C.Yes, no two ordered pairs on this graph have the same first element.
D.No, there is a limited number of ordered pairs on this graph.

Does the graph represent a function and if so why AYes no two ordered pairs on this graph have the same second element BYes there is more than one ordered pair class=