Students identify different types of functions and units of measurements. In this statistics lesson plan, students will collect data, graph their data and make predictions about their data. They plot a linear regression graph.

Students collect and graph their data. In this precalculus instructional activity, students identify the input and out of a function. They find the domain and range and the inverse of a function.

This interactive site uses applets to show sample graphs of each simple power function, a function plotter, graph puzzles, and more. Great site.