document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=939681>Question 939681</A>: <I><SPAN STYLE=\"word-break: break-all;\"> determine if g is the inverse of f.\r<BR>\n" );
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document.write( "f(x)=2x-3/x+4;   g(x)=3 + 4x/2 - x  </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #572711 by </B><A HREF=/tutors/aboutme.mpl?userid=josgarithmetic><B>josgarithmetic(39628)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=josgarithmetic><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=572711\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> The way to express the functions in pure text is like this:\r<BR>\n" );
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document.write( "f(x)=(2x-3)/(x+4)   and   g(x)=(3+4x)/(2-x)\r<BR>\n" );
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document.write( "Surrounding each with the triple curly brace rendering tags gives the expected appearance,<BR>\n" );
document.write( " <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=f%28x%29=%282x-3%29%2F%28x%2B4%29 ALIGN=MIDDLE  ALT=\"f%28x%29=%282x-3%29%2F%28x%2B4%29\"   DISABLED_style= \"max-width:90%; height:auto;\" >   and   <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=g%28x%29=%283%2B4x%29%2F%282-x%29 ALIGN=MIDDLE  ALT=\"g%28x%29=%283%2B4x%29%2F%282-x%29\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "To answer the question, you have a couple of choices.\r<BR>\n" );
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document.write( "Form their composition and simplify.  Is the result, x ?\r<BR>\n" );
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document.write( "OR\r<BR>\n" );
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document.write( "Select one of the functions.  Let the function name be y, switch x and y, and solve for y.  Is this result equivalent to the other function  ? </SPAN>\n" );
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