Khan Academy

Common chain rule misunderstandings (K-A)

Identifying composite functions (K-A)

Worked example: Derivative of √(3x²-x) using the chain rule (K-A)

Worked example: Derivative of cos³(x) using the chain rule (K-A)

Worked example: Derivative of ln(√x) using the chain rule (K-A)

Linear approximation of a rational function (K-A)

Local linearity (K-A)

Local linearity and differentiability (K-A)

Worked example: Approximation with local linearity (K-A)

Analyzing problems involving rates of change in applied contexts (K-A)

Interpreting the meaning of the derivative in context-video (K-A)

Analyzing problems involving related rates (K-A)

Analyzing related rates problems: equations (Pythagoras) (K-A)

Analyzing related rates problems: equations (trig) (K-A)

Analyzing related rates problems: expressions (K-A)

Differentiating related functions intro (K-A)

Related rates intro (K-A)

Worked example: Differentiating related functions (K-A)

Proof of special case of l'Hôpital's rule-video (K-A)

Applied rate of change: forgetfulness (K-A)

Marginal cost & differential calculus (K-A)

Related rates: Approaching cars (K-A)

Related rates: balloon (K-A)

Related rates: Falling ladder (K-A)

Related rates: shadow (K-A)