It is a multipart exercise or exploration that can be used for individual or group work. The idea of this feature is to use a concept from the current section along with concepts from previous sections, and ask questions that help students see the links among various concepts. Some parts of these questions are open-ended, and require somewhat more thought than standard exercises. Answers to this feature are given only in the Instructor's Solutions Manual. The emphasis of the new exercises is on understanding concepts and relationships.
Many new exercises require a graphing calculator.
The exercises are optional and are marked with a graphing calculator icon. An icon alerts students to when this site would be useful. The site will also be helpful to instructors by providing useful resources for teaching a precalculus course. Examples and exercises that relate back to the opener are included within the chapter. The applications are page-referenced, and grouped by subject matter.