Overview of functions
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Lesson Description:
What are functions -- function overview
I show how to solve math problems online during live instruction in class. This is my way of providing free tutoring for the students in my class and for students anywhere in the world. Every video is a short clip that shows exactly how to solve math problems step by step. The problems are done in real time and in front of a regular classroom. These videos are intended to help you learn how to solve math problems, review how to solve a math problems, study for a test, or finish your homework. I post all of my videos on YouTube, but if you are looking for other ways to interact with me and my videos you can follow me on the following pages through My Blog, Twitter, or Facebook.
Questions answered by this video:
- What does it mean when we say a relation is a function?
- What is the domain of a function?
- What is the range of a funtion?
- How do you evaluate a function at a specific value?
-
Staff Review
This video is an overview of functions. The instructor explains what is means for the domain (input values) and range (output values) to have a relationship that is a function. He also explains how to write function notation and how to evaluate a function at a specific value.
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