Question

Which of the following statements about the function y=f(x) graphed here are true, and which is false?

lim f(x) does not exist
x goes to 2

2) lim f(x) =2
x goes to 2
3) lim f(x) does not exist
x goes to 1

4) lim f(x) exists at every point Xo in (-1,1)
X goes to Xo

5) lim f(x) at every point Xo in (1,3)
X goes to Xo