# Functions, Vertical Line Test, Ordered Pairs, Tables, Domain and Range

1 min read

This math video focuses on functions. It explains how to tell if a relation is a function given a set of ordered pairs or a data table. In addition, it explains how to use the vertical line test to determine if a graph or curve is a function based on if it touches the line at two or more points. Finally, this video discusses the domain and range of functions briefly.

Pre-Algebra Video Playlist:

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i do not know anything about Math and this helped me a lot thank you

Thanks jg your really something i easily understand all your tutorials

thanks julio

can you do a video on precalculus-function notation please?

THANKS

HI what is the difference between your youtube ,udemy and patheron , i don't know exactly the name of patheron, video tutorials ?

Thanks so much for your in-depth explanation!

Thanks it helped a lot

gooood