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Given :

  1. Evaluate .

    Substitute in for every in the equation.

  2. Without writing the equation of the inverse, determine . Explain your process.

    Recall that that the inputs and outputs are switched for the inverse of a function.

    What was the result you found in part (a)? How can you use that to find ?

  3. Solve for if .

    Substitute these formulas into the equation above.

    Solve for .