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Tool: Inverse Functions
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Go to: http://www.math.csusb.edu/math110/src/composition/Inverses.html (opens a new window)
Description: The three applets on this page are: One-to one or Not?, Graphs of Inverse Functions, and Inverse Functions. The first one allows students to decide if a function is one-to-one, and if not, it shows a green line to illustrate why. The second applet shows the graph of the inverse of a function being graphed as a reflection over the line y = x. The third gives a function with its graph, and the graph of the inverse, then asks students to produce the inverse of the function algebraically. Some of these are very difficult. There is a Help button to use to view a specific information about the graph.
Technology Type: Java Applet 
Author: California State University San Bernardino Math Department
Language: English 
Cost: Does not require payment for use

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Courses: Algebra II Functions / Relations
PreCalculus one-to-one, inverse

  beckyann
Comment:I think the applets for this resource were great, but I think the resource should have allowed the student to discover the relationship that a function's reflection across y=x is its inverse. Otherwise I found it very well done.