Recall that a set of ordered pairs A represents a function if:
[tex](x,y),(x,z)\in A\text{ if and only if y=z.}[/tex]Now, notice that (3,4) and (3,2) are in the given set of ordered pairs, since
[tex]4\ne2[/tex]we get that the given set does not correspond to a function.
Answer: Non-function.
