5

2.5 Connecting Differentiability and Continuity

AP Calculus AB

Differentiability and Continuity

The relationship

Why differentiability implies continuity

When is a function NOT differentiable?

Corner (sharp turn)

Cusp

Vertical tangent

Decision flowchart

Left and right derivatives

Piecewise differentiability

Counterexample

The hierarchy

AP exam tips

Vocabulary