sketch the graph of the given polynomial function given:y=x⁴+x³-7x²-x+6
that is the example and i can't understand.
![Sketch The Graph Of The Given Polynomial Function Givenyxx7xx6that Is The Example And I Cant Understand class=](https://ph-static.z-dn.net/files/da7/51daa6ea630ee79ec93add9a849fb9bf.jpg)