Try out these step-by-step pre-calculus instructions for how to determine whether a function is discontinuous.
3-5 Continuity and End Behavior - ppt download
How to Find Jump Discontinuities, Calculus
Continuity - Identify where the graph is discontinuous
U1L2 Ex.3 Domain & Range of Discontinuous Functions
Calculus: How To Really Understand A Function, by Hemanth, Street Science
Finding Limits Graphically (How To w/ 29 Examples!)
Discontinuity Intervals and Classification
day8
Limits and Continuity – Limits: Find Limits from Graphs
Dummy nodes g0, g01, g02 and dummy arcs (discontinuous lines) to
Dummy nodes g0, g01, g02 and dummy arcs (discontinuous lines) to
Curve Tracing: Fundamentals, Techniques, and Examples Explained