What similarities and differences are there between functions and linear equations?

2 answers

Since this is not my area of expertise, I searched Google under the key words "similarities and differences between functions and linear equations" to get this:

http://www.google.com/search?client=safari&rls=en&q=similarities+and+differences+between+functions+and+linear+equations&ie=UTF-8&oe=UTF-8

In the future, you can find the information you desire more quickly, if you use appropriate key words to do your own search. Also see http://hanlib.sou.edu/searchtools/.
Thank you.