Answer:

Explanation:
The given function is as follows:
{(6,3)(-1,2)(-1,-1)(4,3)}
Since, the domain ( x-values ) of the given function is being repeated which is against the rules of a function, The given relation is not a function.
![\rule[225]{225}{2}](https://img.qammunity.org/2022/formulas/mathematics/high-school/3icqlwn6du2l5ygbr7z2lp6sjjralcpq09.png)
Hope this helped!
~AH1807