Click on the link below.
1. PCT 3-1 & 3-2 & 3-3 Student eTools:
![PCT 3-1 & 3-2 & 3-3 Student eTools:](https://media.screensteps.com/image_assets/assets/005/682/746/original/8365c8e4-494b-40a6-9725-d870f98ff440.png)
2. 3-1: The various parts are indicated below.
- Move the slider for various values of "k".
- Show/Hide the various parts by clicking the circle in front of each part.
![3-1: The various parts are indicated below.](https://media.screensteps.com/image_assets/assets/005/682/747/original/c76e135c-1f00-4b28-a245-9588e612d7b0.png)
3. 3-2:
![3-2:](https://media.screensteps.com/image_assets/assets/005/682/749/original/0e4e4134-b780-4910-8240-c32f4f826840.png)
4. 3-3 has two functions associated with it.
![3-3 has two functions associated with it.](https://media.screensteps.com/image_assets/assets/005/682/751/original/e55144cb-de63-414a-aec4-ec77023d2071.png)