You have #1 and #2 switched up.
The x->2- says you’re coming towards 2 from numbers less than 2.
The x->2+ says you’re coming towards 2 from numbers greater than 2.
See the attached photo.
The other one is #5.
Since there is an open circle at (0,0), this says there really isn’t a point there. f(0) is undefined. (You might need to say DNE for the computer.)