This is the YouTube video for the lesson on Section 4.1
These are the written notes for the lesson on Section 4.1
This is the YouTube video for the lesson on Section 4.2
These are the written notes for the lesson on Section 4.2
This is the YouTube video for the lesson on Section 4.3
These are the written notes for the lesson on Section 4.3
These are the written notes for the lesson on Section 4.4
This is the YouTube video for the lesson on Section 4.5
These are the written notes for the lesson on Section 4.5
These are the written notes for the lesson on Section 4.6