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Graph and its undoing function on the same set of axes).

  1. What is the equation of the undoing function?

    Rewrite the equation by undoing the operations on x, that is solve for x.

    Now use your result to write the inverse function.

  2. Does this graph, including both lines, have a line of symmetry? If so, what is the equation of the line of symmetry?

    The line of symmetry is .

Use the eTool below to view the graphs of the lines in this problem.
Click the link at right for the full version of the eTool: A2C 6-7 HW eTool