1 Prerequisites for Trigonometry

In This Chapter

1.1 The Real Number Line

1.2 The Rectangular Coordinate System

1.3 Circles and Graphs

1.4 Equations of Lines

1.5 Functions and Graphs

1.6 Symmetry and Transformations

1.7 Linear and Quadratic Functions

1.8 Combining Functions

1.9 Inverse Functions

1.10 Building a Function from Words

      Chapter 1 Review Exercises

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The correspondence between the students in a class and the set of desks filled by these students is an example of a function.

A Bit of History If the question “What is the most important mathematical concept?” were posed to a group of mathematicians, mathematics teachers, and scientists, ...

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