How many turning points are in the graph of the polynomial function?
す
y
3-
2
-4-3-2-1
2
T
1
సీ
2-
-3
T
w..
3
4
2 turning points
O 3 turning points
4 turning points
X
![How many turning points are in the graph of the polynomial function す y 3 2 4321 2 T 1 స 2 3 T w 3 4 2 turning points O 3 turning points 4 turning points X class=](https://us-static.z-dn.net/files/dc1/7b5c76fd449ad17f935122702a9a21f4.png)