The graph of a function f is given. (Enter your answers as comma-separated lists.)
ya
(a) At what numbers a does lim f(x) not exist?
a=1
x-a
(b) At what numbers a is f not continuous?
a=0
x
(c) At what numbers a does lim f(x) exist but f is not continuous at a?
a=0,1
x18