picture explains everything ty
![picture explains everything ty class=](https://us-static.z-dn.net/files/d6b/ed66dd3ff6ea9b7fb00a11c7014a225c.png)
Answer:
between B and D.
probably D because is periodic and the line is not continuous.
Then, between the units 4 (max) and 6 (min) is decreasing