document.write( "Question 1023535: f(x) = 3x and g(x) = x/3 f(g(x)) =? \n" ); document.write( "
Algebra.Com's Answer #639036 by robertb(5830)\"\" \"About 
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f(g(x)) = x, by direct substitution.\r
\n" ); document.write( "\n" ); document.write( "Note also that this makes them inverses of each other, along with the fact that g(f(x)) = x.
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