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January 29, 2015

January 29, 2015

Posted by **Altagracia** on Monday, May 30, 2011 at 11:20pm.

- math -
**MathMate**, Tuesday, May 31, 2011 at 3:41pmUse the inverse test:

If g(x) is the inverse of f(x), then

f(g(x))=x

Try it:

Let g(x)=x/9

f(x)=9x

f(g(x))=f(x/9)=9(x/9)=x

What is your conclusion?

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