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📚 Precalculus
Chapters ▾
1 Relations and Functions2 Linear and Quadratic Functions3 Polynomial Functions4 Rational Functions5 Further Topics in Functions6 Exponential and Logarithmic Functions7 Hooked on Conics8 Systems of Equations and Matrices9 Sequences and the Binomial Theorem10 Foundations of Trigonometry11 Applications of Trigonometry

Chapter 1: Relations and Functions

While the authors would like nothing more than to delve quickly and deeply into the sheer excitement that is Precalculus, experience has taught us that a brief refresher on some basic notions is welcome, if not completely necessary, at this stage. To that end, we present a brief summary of `set theory' and some of the associated vocabulary and notations we use in the text. Like all good Math books, we begin with a definition.

Adapted from Precalculus, 3rd corrected edition, by Carl Stitz and Jeff Zeager (stitz-zeager.com), licensed under CC BY-NC-SA 3.0. Changes were made: reformatted as an accessible XYZ web edition. License: CC-BY-NC-SA-3.0.