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. About the Author: About our author Bob Blitzer is a native of Manhattan and received a Bachelor of Arts degree with dual majors in mathematics and psychology (minor: English literature) from the City College of New York. His unusual combination of academic interests led him toward a Master of Arts in mathematics from the University of Miami and a doctorate in behavioral sciences from Nova University. Bob's love for teaching mathematics was nourished for nearly 30 years at Miami Dade College, where he received numerous teaching awards, including Innovator of the Year from the League for Innovations in the Community College and an endowed chair based on excellence in the classroom. In addition to Precalculus Essentials, Bob has written textbooks covering developmental mathematics, introductory algebra, intermediate algebra, trigonometry, college algebra, algebra & trigonometry, and liberal arts mathematics, all published by Pearson. When not secluded in his Northern California writer's cabin, Bob can be found hiking the beaches and trails of Point Reyes National Seashore and tending to the chores required by his beloved entourage of horses, chickens, and irritable roosters.