Anyone up at this time ?

1     sepan

2     encuentren

3     tenga

4     hable

5   parezca

6   llegue

sample answer: you can determine whether each element of the domain is paired with exactly one element of the range. for example, if given a graph, you could use the vertical line test; if a vertical line intersects the graph more than once, then the relation that the graph represents is not a function.