# Ch 28: SAT Math: Functions

Let our informative lessons help you prepare for the math portion of the SAT. The short video lessons and quick quizzes are user-friendly and informative.

## SAT Math: Functions - Chapter Summary

Review the basics and key terms related to functions and then delve into the compounding and graphing of those functions. Our interesting videos are short and user-friendly. You can explore the following topics:

• Identification and notation
• Domain and range
• Composing, adding, subtracting, multiplying and dividing functions
• Graphing and compounding functions
• Inverse and exponential functions
• Factoring and simplifying polynomial functions

Complete the quick quiz at the end of each lesson to check for understanding. Target any areas that need more practice.

### SAT Math Objectives

The math section of the SAT that addresses algebra and functions composes 35-40% of the exam. The following concepts are included on the test:

• Concepts of algebraic functions
• Direct and inverse variation
• Exponent properties
• Substitution and simplification of expressions
• Word problems in algebra
• Linear equations and inequalities
• Equations of lines
• Absolute value

These lessons can help you prepare for the math section of your SAT. In addition to watching the video lessons and taking the short quizzes for self-assessment, complete the exercises for extra practice in the identification, notation and application of functions.

You earn one point for each of the 58 multiple-choice math questions answered correctly. You'll find necessary formulas in your test booklet. You may use an approved model of calculator during the calculator portion of the test, although there is a section of about 20 questions on the math test where you are not allowed to use a calculator.

Final Exam
Chapter Exam

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