Composition of Functions

I have removed all annotations from my videos that were used to correct errors (YouTube is getting rid of Annotattions) Any errors in the videos have been corrected in the NOTES. If you have already subscribed, you can use your User Name and your Password to download the NOTES in a MS WORD FILE. or a PDF FILE. (If you have trouble downloading the file on your phone, use the Opera Browser) If you haven't subscribed, subscribe now

The composition of two functions f and g is another function whch applies the function g to x first and then applies the function f to the result of the function g. Determining the domain of a composition of two functions may be a bit tricky. Watch the video carefully and watch it again if need be. Here I give you a couple of examples about determining the domain of the composition of two functions.