document.write( "Question 1039316: By definition, f(g(x)).
\n" ); document.write( "If g(9)=12 and f(12)=23, then (f o g) (9) =
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Algebra.Com's Answer #654153 by Fombitz(32388)\"\" \"About 
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What does this mean \" By definition, f(g(x)).\"?
\n" ); document.write( "You haven't defined f(g(x)).
\n" ); document.write( "Please repost.
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