This text investigates the foundational mathematical principles required for success in calculus, specifically focusing on the behavior and representation of functions. The authors, Demana, Waits, Foley, and Kennedy, utilize a pedagogical framework that emphasizes graphical, numerical, and algebraic approaches to problem-solving. By integrating these three perspectives, the text provides a comprehensive preparation for students transitioning into higher-level mathematical analysis.

Educators frequently cite this text as a standard resource for high school and introductory college-level precalculus courses. Experts highlight the clarity of the graphical explanations and the utility of the included solutions manual for independent student study.