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March 29, 2015

March 29, 2015

Posted by **Carly** on Tuesday, July 28, 2009 at 12:05am.

- Math -
**MathMate**, Tuesday, July 28, 2009 at 9:20amGiven:

f(x)=x²-2

g(x)=1/(3x)

I assume you are working with composite functions, and you are looking for

(f∘g)(x)

=f(g(x))

=f(1/(3x))

=(1/3x)²-2

=1/(9x²)-2

(f∘g)(2)

=1/(9*2²)-2

=1/(9*2²)-2

=1/36-2

=-71/36

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