Khan Academy

Continuity at a point-video (K-A)

Worked example: Continuity at a point (graphical) (K-A)

Worked example: point where a function is continuous (K-A)

Worked example: point where a function isn't continuous (K-A)

Continuity over an interval-video (K-A)

Functions continuous at specific x-values (K-A)

Functions continuous on all real numbers (K-A)

Connecting limits and graphical behavior (K-A)

Connecting limits and graphical behavior (more examples) (K-A)

Estimating limit values from graphs (K-A)

Estimating limit values from graphs-notes (K-A)

One-sided limits from graphs (K-A)

One-sided limits from graphs: asymptote (K-A)

Unbounded limits (K-A)

Approximating limits using tables (K-A)

Estimating limits from tables-video (K-A)

One-sided limits from tables (K-A)

Using tables to approximate limit values (K-A)

Formal definition of limits Part 1: intuition review (K-A)

Formal definition of limits Part 2: building the idea (K-A)

Formal definition of limits Part 3: the definition (K-A)

Formal definition of limits Part 4: using the definition (K-A)

Analyzing unbounded limits: mixed function (K-A)

Analyzing unbounded limits: rational function (K-A)

Connecting limits at infinity notation and graph (K-A)