# Ch 6: Introduction to Relations & Functions

These lessons on relations and functions can help you with test preparation or a class project. You will review how to compose functions and examples of interval notation from a convenient online learning platform.

## Introduction to Relations & Functions - Chapter Summary

In this chapter on relations and functions, interactive lessons cover key terms related to functions and practice problems for functions. Also included in this chapter is an example of a linear regression model. After completing the chapter, you should be able to:

• Explain the basics of a function
• Compose functions
• Discuss conditions of mathematical functions
• Recognize linear and non-linear functions on a graph
• Use formulas for quadratic functions
• Define absolute value
• Provide examples of interval notation
• Calculate linear regression

Each lesson in this chapter is accompanied by a full written transcript and there are quizzes to test your understanding of the concepts covered. You can print the quizzes as worksheets for use as a study tool.

8 Lessons in Chapter 6: Introduction to Relations & Functions
Test your knowledge with a 30-question chapter practice test
Chapter Practice Exam
Test your knowledge of this chapter with a 30 question practice chapter exam.
Not Taken
Practice Final Exam
Test your knowledge of the entire course with a 50 question practice final exam.
Not Taken

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