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About the Second Edition
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How To Be Successful In This Course
Table of Contents
Chapter 1: Functions
Section 1.1 Functions and Function Notation
Section 1.1 Exercises
Section 1.2 Domain and Range
Section 1.2 Exercises
Section 1.3 Rates of Change and Behavior of Graphs
Section 1.3 Exercises
Section 1.4 Composition of Functions
Section 1.4 Exercises
Section 1.5 Transformation of Functions
Section 1.5 Exercises
Section 1.6 Inverse Functions
Section 1.6 Exercises
Chapter 2: Linear Functions
Section 2.1 Linear Functions
Section 2.1 Exercises
Section 2.2 Graphs of Linear Functions
Section 2.2 Exercises
Section 2.3 Modeling with Linear Functions
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Junior extension: words and numbers
15 selected units on vocabulary, word formation, arithmetic and percentages. Intended for confident English readers with teacher or dictionary support. These selections do not reclassify the full books as junior textbooks.
Explore this collectionQuestions in philosophy
Explore arguments, knowledge, ethics, mind, religion and aesthetics through six introductory philosophy books. Start with a topic that interests you; listening is available only where the chapter shows a listening option.
Explore this collectionMathematics and computing
A route from arithmetic and everyday mathematics to functions, statistics, algorithms and open source collaboration. Check each book's prerequisites; the algorithms text assumes programming experience.
Explore this collectionFive ways in
Find a question worth following.
Thoughtful reading paths, open books, and ideas you can explore for yourself.

A new way into mathematics.
Start where you are. Follow a question. Find the book that makes the next idea click.

Small steps. Powerful ideas.
A first program, a clever search, a useful question about data. Make the invisible steps visible.

Stay with a good question.
What counts as knowledge? What makes an argument hold? Open a book that leaves room to think.

A little time. A whole world.
A poem, a fable, a story with a turn you did not see coming. Read something complete.

One story. A shared moment.
Find a small adventure, follow the pictures, and leave a little room for conversation.