document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=163289>Question 163289</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Find the inverse of the following functions:\r<BR>\n" );
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document.write( "f(x)=3x-1  \r<BR>\n" );
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document.write( "I also have to work out\r<BR>\n" );
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document.write( "f(x)= x+3/2x\r<BR>\n" );
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document.write( "The problem is, I can't find the formula to work these out anywhere.\r<BR>\n" );
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document.write( "Please help!  </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #120316 by </B><A HREF=/tutors/aboutme.mpl?userid=Fombitz><B>Fombitz(32388)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=Fombitz><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/cgi-bin/show-face.mpl?user=Fombitz><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=120316\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> First, put your function in terms of x and y.<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=y=3x-1 ALIGN=MIDDLE  ALT=\"y=3x-1\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "Now interchange x and y, then solve for y.<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=highlight%28x%29=3%2Ahighlight%28y%29-1 ALIGN=MIDDLE  ALT=\"highlight%28x%29=3%2Ahighlight%28y%29-1\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=3y=x%2B1 ALIGN=MIDDLE  ALT=\"3y=x%2B1\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=y=%28x%2B1%29%2F3 ALIGN=MIDDLE  ALT=\"y=%28x%2B1%29%2F3\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "That's the inverse of the original function.<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=f%5E%28-1%29%28x%29=%28x%2B1%29%2F3 ALIGN=MIDDLE  ALT=\"f%5E%28-1%29%28x%29=%28x%2B1%29%2F3\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( ".<BR>\n" );
document.write( ".<BR>\n" );
document.write( ".<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=y=%28x%2B3%29%2F2x ALIGN=MIDDLE  ALT=\"y=%28x%2B3%29%2F2x\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=highlight%28x%29=%28highlight%28y%29%2B3%29%2F%282%2Ahighlight%28y%29%29 ALIGN=MIDDLE  ALT=\"highlight%28x%29=%28highlight%28y%29%2B3%29%2F%282%2Ahighlight%28y%29%29\"   DISABLED_style= \"max-width:90%; height:auto;\" > <BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=2xy=y%2B3 ALIGN=MIDDLE  ALT=\"2xy=y%2B3\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=2xy-y=3 ALIGN=MIDDLE  ALT=\"2xy-y=3\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=y%282x-1%29=3 ALIGN=MIDDLE  ALT=\"y%282x-1%29=3\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=y=3%2F%282x-1%29 ALIGN=MIDDLE  ALT=\"y=3%2F%282x-1%29\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=f%5E%28-1%29%28x%29=3%2F%282x-1%29 ALIGN=MIDDLE  ALT=\"f%5E%28-1%29%28x%29=3%2F%282x-1%29\"   DISABLED_style= \"max-width:90%; height:auto;\" > </SPAN>\n" );
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