document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=48005>Question 48005</A>: <I><SPAN STYLE=\"word-break: break-all;\"> I am struggling with solving this problem. I hope there is someone who would be so kind as to show me all the steps in solving this problem.\r<BR>\n" );
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document.write( "For the function defined by f(x)=5x-4, find a formula for f^-1(x).\r<BR>\n" );
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document.write( "Thank you. </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #31749 by </B><A HREF=/tutors/aboutme.mpl?userid=stanbon><B>stanbon(75887)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=stanbon><IMG SRC=http://www.algebra.com/images/aboutme-small.gif BORDER=0 alt=\"About Me\" VALIGN=MIDDLE></A>&nbsp;<IMG SRC=http://www.algebra.com/images/nopicture.jpg><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=31749\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> f(x)=5x-4\r<BR>\n" );
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document.write( "Find a formula for f^-1(x). \r<BR>\n" );
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document.write( "y=5x-4<BR>\n" );
document.write( "Interchange x and y to get:<BR>\n" );
document.write( "x=5y-4\r<BR>\n" );
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document.write( "Solve for y as follows:<BR>\n" );
document.write( "5y=x+4<BR>\n" );
document.write( "y=(1/5)x+(5/4)\r<BR>\n" );
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document.write( "That is f^-1\r<BR>\n" );
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document.write( "Cheers,<BR>\n" );
document.write( "Stan H.\r<BR>\n" );
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document.write( "Cheer </SPAN>\n" );
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