This is the book you want:
Assigned pages from the book:
CalcView is a free resource that coincides with our PreCalculus text: "PreCalculus with Limits: 4e"
by Ron Larson & Paul Battaglia.
CalcView has videos explaining PreCalculus exercises from the book. You do not have to create an account...select your book then find the solution you need by filtering the chapter and section. You can also get CalcView as an app on your smartphone.