Here are some tutorial videos over the chapter 1 sections:
functions part 1: http://www.youtube.com/watch?v=BYefIpMWMic
functions part 2: http://www.youtube.com/watch?v=CAhDsUtTIiY
functions part 3: http://www.youtube.com/watch?v=b7GDhTkQ_HI
bowtie method: https://www.youtube.com/watch?v=VTVfEXfu8Z0
average rate of change: https://www.youtube.com/watch?v=GeKIWSLkSjI
graphing functions part 1: https://www.youtube.com/watch?v=ww-yRZEITZo
graphing functions part 2-even and odd functions: https://www.youtube.com/watch?v=yCgmIn1riXM
graphing functions part 3: https://www.youtube.com/watch?v=ZRY15GlB0Zg
transformations of functions part 1: https://www.youtube.com/watch?v=EBFfuU4sGjQ
transformations of functions part 2: https://www.youtube.com/watch?v=f5TmdYxi1pc
transformations of functions part 3: https://www.youtube.com/watch?v=djwhhMkPGKY
combinations of functions part 1: https://www.youtube.com/watch?v=RpgLdKRSXik
combinations of functions part 2: https://www.youtube.com/watch?v=0S53_RZYNX8
Inverse functions part 1:https://www.youtube.com/watch?v=fME-P83YwMY
Inverse functions part 2: https://www.youtube.com/watch?v=Gwk9KSHPeks
Inverse functions part 3: https://www.youtube.com/watch?v=1YDKOBsXKXg