I explain combinations of functions through addition, subtraction, multiplication, and division analytically, arithmetically, and graphically discussing domain and common errors along the way.
Common Errors: 1:11
Domain of Functions: 5:40
Combining Function Algebraically: 10:06
Combining Functions Graphically: 22:29
Combining Functions Numerically: 26:00
Check out http://www.ProfRobBob.com, there you will find my lessons organized by chapters within each subject.
If you'd like to make a donation to support my efforts look for the "Tip the Teacher" button on my channel's homepage www.YouTube.com/Profrobbob