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1-149.

  1. Given f(x) = . Homework Help ✎

    1. Find f −1(x).

    2. Sketch f(x) and f−1(x) on the same set of axes.

    3. Find f−1(f(6)) and f(f −1(2)). What do you notice?

Change f(x) to y.
Switch every x to y and every y to x.
Solve for y.

Composing f and f −1 in either order returns the original number.

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