Exercises Precalculus for Everybody Chapter 1. Preliminaries Section 1.1. An Overview of Logic and Set Theory Section 1.2. The Real Number System Section 1.3. Radicals and Rational Exponents Section 1.4. Some Topics of Algebra Section 1.5. Polynomial Equations Section 1.6. Order Axioms and Inequations Section 1.7. Absolute Value