# Ch 22: PSAT Math: Functions

Review the elements of math functions to prepare for the PSAT. Video lessons and quizzes incorporate all of the elements of the math functions section in a simple and clear manner.

## PSAT Math: Functions - Chapter Summary

Our video lessons can help you learn the math function concepts that are needed to score high when taking the math section of the PSAT. These math function video lessons provide insight regarding the topics below:

• Defining function domain and range, exponential functions and basic functions
• Composing functions
• Adding, subtracting, multiplying and dividing functions
• Graphing basic functions
• Understanding inverse functions
• Simplifying and factoring polynomial functions

Video lessons present the concepts above in short, simple-to-understand chunks that work in tandem with quizzes that provide immediate feedback. Use quiz results to determine if you're ready to take PSAT math test.

### PSAT Math Objectives

The PSAT math test has 48 questions that must be completed within 70 minutes. The following three areas are emphasized on the updated PSAT math test:

• Heart of Algebra
• Problem solving and data analysis

The main goal of the PSAT is to help you figure out if you're prepared to sit for the SAT. When you receive your PSAT scores, you will be able to identify the areas where you have a strong understanding and the areas where you need to spend more time training. Since the National Merit Scholarship Corporation (NMSC) is a co-sponsor of the PSAT, there is a chance that you may be selected to participate in an NMSC scholarship program. By taking the PSAT, the NMSC also provides you with tools for college and career planning.

Final Exam
Chapter Exam

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