Domain & Range
Sources
Embracing Mathematics, Assessment & Technology in High Schools; A Michigan Mathematics & Science Partnership Grant Project
Felder, Kenny "Function Concepts -- Domain and Range," Connexions, December 30, 2008, http://cnx.org/content/m18191/1.2/
Stapel, Elizabeth. "Functions: Domain and Range." Purplemath. Available from http://www.purplemath.com/modules/fcns2.htm. Accessed 14 August 2010
Tutor Vista, "Learn Online: History of Linear Functions ." 2010.http://www.tutorvista.com/math/learn-online-history-of-linear-functions (accessed 08/21/2010).