Example of a function
Response to the following question:
Sketch the graph of an example of a function f that satisfies all of the given conditions.
lim (x->0) f(x) = 1, lim (x->0+) f(x) = -1, lim (x->2-) f(x) = 0, lim (x->2+) f(x) = 1, f(2) = 1, f(0) is undefined