document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=134742>Question 134742</A>: <I><SPAN STYLE=\"word-break: break-all;\"> The function defined by f(x)=3x-2 was used to encode the following message:<BR>\n" );
document.write( "37 25 19 61 13 34 22 1 55 52 52 25 64 13 10<BR>\n" );
document.write( "Find the Inverse function and decode the message </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #98592 by </B><A HREF=/tutors/aboutme.mpl?userid=vleith><B>vleith(2983)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=vleith><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=98592\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> A really good description of how to find an inverse function is given here --> http://www.purplemath.com/modules/invrsfcn3.htm\r<BR>\n" );
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document.write( "Given:<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=y+=+3x+-2 ALIGN=MIDDLE  ALT=\"y+=+3x+-2\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=y%2B2=+3x+ ALIGN=MIDDLE  ALT=\"y%2B2=+3x+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=%28y%2B2%29%2F3+=+x+ ALIGN=MIDDLE  ALT=\"%28y%2B2%29%2F3+=+x+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "Now swap the variable names to get the inverse<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=y+=+%28x%2B2%29%2F3 ALIGN=MIDDLE  ALT=\"y+=+%28x%2B2%29%2F3\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "All we need to do now is start subbing in the values given.<BR>\n" );
document.write( "x = 37 --> y = 13 == letter M<BR>\n" );
document.write( "x = 25 --> y = 9  == letter I<BR>\n" );
document.write( "x = 19 --> y = 7  == letter G<BR>\n" );
document.write( "x = 61 --> y = 21 == letter U<BR>\n" );
document.write( "x = 13 --> y = 5  == letter E\r<BR>\n" );
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document.write( "Keep at the rest </SPAN>\n" );
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