The eleventh edition of PRECALCULUS gives you clear explanations of math concepts, examples and exercises that relate to everyday life, and innovative technology to help you study and practice when and where you want. ‘How Do You See It?’ exercises let you practice applying the concepts, and new Summarize features and Checkpoint problems reinforce your understanding of the skills you need to better prepare for tests. Free access to homework support websites CalcChat.com, CalcView.com and LarsonPrecalculus.com are there when you need them. If you are struggling with previously learned math skills, work on the Review & Refresh exercises and watch the Skills Review videos.