(-1,3.14)
There are two things that can be meant by that.
If (-1,3.14) is to be taken as the coordinates of a point, then the
graph is just the one dot you see below:
However if (-1,3.14) is to be taken as interval notation, then the
graph is:
---------------------o================o-----------
-6 -5 -4 -3 -2 -1 0 1 2 3 4 5 6
Edwin
