Temple University: Gerardo Mendoza's and Dan Reich's "Calculus on the Web"
Click the link to Book I, and then click on the "Index" button. Click on button 18 (Transforming Graphs) to launch the module. Complete problems 1-15. If at any time the problem set becomes too easy for you, feel free to move on.
Click http://cow.math.temple.edu/ link to open resource.