document.write( "Question 749888: What is the inverse of f(x) = 3x − 15? \n" ); document.write( "
Algebra.Com's Answer #456190 by mathbird(71)\"\" \"About 
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x=3y-15
\n" ); document.write( "3y=x+15
\n" ); document.write( "y=(x+15)/3
\n" ); document.write( "y=(1/3)x+5
\n" ); document.write( "
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