Learn how our world is profoundly mathematical. In Precalculus Essentials, 6th Edition, Bob Blitzer continues to support and inspire students with his engaging approach, making this a series that is beloved year after year by students and instructors alike. Blitzer's unique background in mathematics and behavioral science presents readers with a wide range of applications, drawn from pop culture and up-to-date references, that appeal to students of all majors and connect math to their lives.