How many points need to be removed from this graph so that it will be a function?
1 point
2 points
3 points
4 points
![How many points need to be removed from this graph so that it will be a function 1 point 2 points 3 points 4 points class=](https://us-static.z-dn.net/files/da1/40cafc6be8dbf18abddfd6f4aa467a19.png)