document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=121270>Question 121270</A>: <I><SPAN STYLE=\"word-break: break-all;\"> find the inverse of f(x)=5x + 4 </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #89020 by </B><A HREF=/tutors/aboutme.mpl?userid=jim_thompson5910><B>jim_thompson5910(35256)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=jim_thompson5910><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=89020\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=f%28x%29=5x+%2B+4 ALIGN=MIDDLE  ALT=\"f%28x%29=5x+%2B+4\"   DISABLED_style= \"max-width:90%; height:auto;\" > Start with the given function\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=x=5f%28x%29+%2B+4 ALIGN=MIDDLE  ALT=\"x=5f%28x%29+%2B+4\"   DISABLED_style= \"max-width:90%; height:auto;\" > Interchange x and f(x)\r<BR>\n" );
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document.write( "Now solve for f(x)\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=x-4=5f%28x%29 ALIGN=MIDDLE  ALT=\"x-4=5f%28x%29\"   DISABLED_style= \"max-width:90%; height:auto;\" > Subtract 4 from both sides\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=%28x-4%29%2F5=f%28x%29 ALIGN=MIDDLE  ALT=\"%28x-4%29%2F5=f%28x%29\"   DISABLED_style= \"max-width:90%; height:auto;\" > Divide both sides by 5\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=f%28x%29=%281%2F5%29x-4%2F5 ALIGN=MIDDLE  ALT=\"f%28x%29=%281%2F5%29x-4%2F5\"   DISABLED_style= \"max-width:90%; height:auto;\" > Break up the fraction\r<BR>\n" );
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document.write( "Answer:\r<BR>\n" );
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document.write( "So the inverse function is \r<BR>\n" );
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