More Lessons for PreCalculus
Videos, worksheets, games and activities to help PreCalculus students learn about one-to-one functions and the horizontal line test.
One to One Functions
A discussion on one-to-one functions and the horizontal line test.
This video demonstrates how to determine if a function is one-to-one using the horizontal line test.
You can use the Mathway widget below to practice Algebra or other math topics. Try the given examples, or type in your own problem. Then click "Answer" to check your answer.