# derivative test

> method for finding the extrema of a function

**Wikidata**: [Q898560](https://www.wikidata.org/wiki/Q898560)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Derivative_test)  
**Source**: https://4ort.xyz/entity/derivative-test


## References

1. Freebase Data Dumps. 2013