Continuous if:
- if f(x) exists
- if lim x and lim x exists
Point / Removable
Limit @ x = 3 exists; although not continuous
Jump Discontinuity
Left and right side limits @ x = 2 exists; but the limit @ x = 2 does not exist
Asymptotic Discontinuity
Left and right side limit @ x = 2 doesn’t exist