Functional use of four colors improves the clarity of many illustrations, graphs, and developments, and guides students through certain critical steps. Boldface type is used to introduce new terms and highlight important comments.

Annotations

Annotation of examples and developments, in small colored type, is found throughout the text to help students through critical stages.

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Think Boxes

Think Boxes are dashed boxes used to enclose steps of a procedure that are usually performed mentally.

Screened Boxes

Screened Boxes are used to highlight important definitions, theorems, results, and step-by-step processes.

Caution Boxes

Caution Boxes appear throughout the text to indicate where student errors often occur.

Foundation for Calculus

As many students will use this book to prepare for a calculus course, examples and exercises that are especially pertinent to calculus are marked with an icon.