Pat Thompson, ASU Mathematics Educator, wrote an article titled "Why use f(x) when all we really mean is y?” (see below for a link to the article). This activity is designed to help motivate a need for function notation and uses desmos.com as a tool.

http://pat-thompson.net/PDFversions/2013WhyF(x).pdf

### Motivating Function Notation

Created on 10/8/2016 by Scott Adamson

Pat Thompson, ASU Mathematics Educator, wrote an article titled "Why use f(x) when all we really mean is y?” (see below for a link to the article). This activity is designed to help motivate a need for function notation and uses desmos.com as a tool.

http://pat-thompson.net/PDFversions/2013WhyF(x).pdf

###### Standards
8.F.B.5 HSF-IF.A.2 HSF-IF.C.8 HSF-IF.C.9 HSF-BF.A.1 HSF-BF.B.4a
###### Math Practices
MP.1 MP.2 MP.3 MP.4 MP.5 MP.6 MP.7 MP.8