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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 |