Agenda
- Number talk: Always, Sometimes, Never — if , then has a maximum or a minimum at
- Random groups: — everything the derivatives can tell you, and no graphing until the sketch is defended
- Consolidate: Curve Sketching — first derivative for direction, second for concavity, and the full interview checklist
- Practise: Curve Sketching Practice, first set
Things to do before our next class
- Journal: always, sometimes, or never — settle this morning’s claim with one example and one counter-example.