Which of the following describes the condition for continuity at x=cx=cx=c?
limx→cf(x)\lim_{x \to c} f(x)limx→cf(x) exists
All of the above
f(c)f(c)f(c) exists
limx→cf(x)=f(c)\lim_{x \to c} f(x) = f(c)limx→cf(x)=f(c)