Second derivatives, concavity, inflection, the increments formula, curve sketching and optimisation

What this note covers

1. The second derivative as a changing gradient
2. Concavity and points of inflection
3. Classifying stationary points
4. The increments formula
5. Building a derivative-based sketch
6. Optimisation from a model
7. A reliable applications workflow
8. Error analysis and final checks for The second derivative and applications of differentiation

8 sections · 10 key terms & formulas · 6 common mistakes