Compound Interest

Gloag, Anne & Andrew. "Exponential Functions." February 24, 2010.

http://www.ck12.org/flexr/chapter/4478

Holt, Rinehart, & Winston. "Exponential & Radical Functions."

http://my.hrw.com/math06_07/nsmedia/homework_help/alg1/alg1_ch11_03_homeworkhelp.html (accessed September 11, 2010)

Stapel, Elizabeth. "Exponential Functions: Compound Interest." Purplemath. Available from http://www.purplemath.com/modules/expofcns4.htm . (accessed 11 September 2010)