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

A. Yes, no two ordered pairs on this graph have the same first element.

B. No, there is a limited number of ordered pairs on this graph.

C. No, there is no value for x = 0.

D. Yes, no two ordered pairs on this graph have the same second element.

Does the graph represent a function and if so why A Yes no two ordered pairs on this graph have the same first element B No there is a limited number of ordered class=