Removable/Point Discontinuity
There is a limit at the point, but on the function, it is undefined.

 If you redefine it, then there would be no hole
If you redefine it, then there would be no hole
There is a limit at the point, but on the function, it is undefined.

 If you redefine it, then there would be no hole
If you redefine it, then there would be no hole