document.write( "Question 153022: show that ((( f(x)=3x-4 and g(x)=(x+4)/3 ))) are inverses \n" ); document.write( "
Algebra.Com's Answer #112474 by vleith(2983)\"\" \"About 
You can put this solution on YOUR website!
When functions are invereses of each other, if you take (f(g(x)), you get x back.
\n" ); document.write( "Basically, the second function 'undoes' what the first one does.\r
\n" ); document.write( "\n" ); document.write( "\"f%28x%29+=+3x-4\"
\n" ); document.write( "\"f%28g%28x%29%29+=+3+%28%28x%2B4%29%2F3%29+-+4\"
\n" ); document.write( "\"f%28g%28x%29%29+=+%28x%2B4%29+-+4\"
\n" ); document.write( "\"f%28g%28x%29%29+=+x+\"
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