Answer:
It is a many-to-one relation
Explanation:
Given
See attachment for relation
Required
What type of function is it?
The relation can be represented as:
![\left[\begin{array}{c}y\\ \\10\\11\\4\\10\end{array}\right]](https://img.qammunity.org/2022/formulas/mathematics/college/h6y49yoqnilr63lcbro2bufis8mckdk5x1.png)
Where
and

Notice that the range has an occurrence of 10 (twice)
i.e.
and

In function and relations, when two different values in the domain point to the same value in the range implies that, the relation is many to one.