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Derivative
Curve Sketching
| Question | Answer |
|---|---|
| Where concavity changes | point of inflection |
| f' greater than 0 | increasing interval |
| f' less than 0 | decreasing interval |
| f" is negative | concave down |
| f" is positive | concave up |
| f' changes from positive to negative | relative maximum |
| f' changes from negative to positive | relative minimum |
| x values where f'= 0 or f' is undefined | critical number |