![cover image](https://wikiwandv2-19431.kxcdn.com/_next/image?url=https://upload.wikimedia.org/wikipedia/commons/thumb/9/96/Graph_of_example_function.svg/langkab-640px-Graph_of_example_function.svg.png&w=640&q=50)
Tasɣent (tusnakt)
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Deg tusnakt, Tasɣent d tafekka tasnakant i d-isgensisen assaɣ imisin i teqqnen yal aferdis seg tagruma yettwassmman tagruma n tbadut neɣ tagrawt n tbadut neɣ taɣult s yiwen n uferdis deg tegrawt yettusemman tazdaɣult neɣ taɣult tamudemt. Neɣ s usemres n taftart tasnakant tamaddudt:
![Thumb image](http://upload.wikimedia.org/wikipedia/commons/thumb/9/96/Graph_of_example_function.svg/320px-Graph_of_example_function.svg.png)
![Thumb image](http://upload.wikimedia.org/wikipedia/commons/thumb/1/19/Function.png/320px-Function.png)
![Thumb image](http://upload.wikimedia.org/wikipedia/commons/thumb/a/a0/Icon_Mathematical_Plot.svg/220px-Icon_Mathematical_Plot.svg.png)
Seg usenmel-a, ttwafarasen-tt-d waṭas n tɣawsiwin tigejdanin:
- I yal amsedfar tagrawt tabadut tettwasemma
.
- I yal amsedfar n tegrawt n tezdaɣult tettwasemma
.
- Ulamek ɣef uferdis seg tegrawt n tagruma
ad tettwaqqen anagar s uferdis amyiwen seg tegrawt n tezdaɣult
.
- Aferdis seg tegrawt n tezdaɣult
yezmer ad yettwiqqen s yiwen n uferdis neɣ ugar seg tegrawt n tegruma
.
Ma tella tegruma d tagrawt n wazalen i yezmer umeskil imziregad yawi , ihi tazdaɣult d tagrawt n wazalen unẓiren i wazalen n tesɣent
.