The set of ordered pairs described in the table below can be described as which of the following?
x |y
--------
0 | 4
3 |-3
3 |1
5 |8
9 |2
a relation only
a function only
both a relation and a function
neither a relation nor a function
x |y
--------
0 | 4
3 |-3
3 |1
5 |8
9 |2
a relation only
a function only
both a relation and a function
neither a relation nor a function