Gain a little interest in functions with a real-life task. Young scholars analyze home loan data with a geometric sequence and series. They use the models to make predictions about the total loan payments at certain intervals in a...

Based off of the hit television show NUMB3RS, this lesson has students calculate the probability that a spider web will catch a fly. The webs are modeled as standard geometric figures (circle, rectangle, triangle), and assumptions are...

This site from the Richland Community College provides the detailed lecture notes to a college algebra course, complete with equations and definitions. Content ranges from "functions and their graphs" to "conics and parametric equations."