Drag point A. What do you notice? Describe the function in your own words.
Are there any values for which f(x) = x?[br]What is the domain of the function? What is the range of the function?[br]Does the output disappear? If so, when does this happen? Why does it disappear?[br]Check the "show rule" box and compare your description to the function.

Information: DynaGraph2