In "Precalculus, "the authors encourage graphical, numerical, and algebraic modeling of functions as well as a focus on problem solving, conceptual understanding, and facility with technology. They have created a book that is designed for instructors and written for students making this the most effective precalculus text available today. Contents: P. Prerequisites1. Functions and Graphs2. Polynomial, Power, and Rational Functions3. Exponential, Logistic, and Logarithmic Functions4. Trigonometric Functions5. Analytic Trigonometry6. Applications of Trigonometry7. Systems and Matrices8. Analytic Geometry in Two and Three Dimensions9. Discrete Mathematics10. An Introduction to Calculus: Limits, Derivatives, and IntegralsAppendix A: Algebra ReviewAppendix B: Key FormulasAppendix C: Logic