document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=967940>Question 967940</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Please help me solve this equation:\r<BR>\n" );
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document.write( "Consider f(x) =  x2 + 3, x < 0. What is the inverse of this function? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #591603 by </B><A HREF=/tutors/aboutme.mpl?userid=josgarithmetic><B>josgarithmetic(39618)</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=591603\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Maybe you meant <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=f%28x%29=x%5E2%2B3 ALIGN=MIDDLE  ALT=\"f%28x%29=x%5E2%2B3\"   DISABLED_style= \"max-width:90%; height:auto;\" >, for <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=x%3C0 ALIGN=MIDDLE  ALT=\"x%3C0\"   DISABLED_style= \"max-width:90%; height:auto;\" > ?<BR>\n" );
document.write( "You want the inverse of f.\r<BR>\n" );
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document.write( "Let g(x) be the inverse function of f(x).<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=g%28f%28x%29%29=f%28g%28x%29%29=x ALIGN=MIDDLE  ALT=\"g%28f%28x%29%29=f%28g%28x%29%29=x\"   DISABLED_style= \"max-width:90%; height:auto;\" >.\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=%28g%28x%29%29%5E2%2B3=x ALIGN=MIDDLE  ALT=\"%28g%28x%29%29%5E2%2B3=x\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=%28g%28x%29%29%5E2=x-3 ALIGN=MIDDLE  ALT=\"%28g%28x%29%29%5E2=x-3\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=g%28x%29=0%2B-+sqrt%28x-3%29 ALIGN=MIDDLE  ALT=\"g%28x%29=0%2B-+sqrt%28x-3%29\"   DISABLED_style= \"max-width:90%; height:auto;\" >, for <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=g%28x%29%3C0 ALIGN=MIDDLE  ALT=\"g%28x%29%3C0\"   DISABLED_style= \"max-width:90%; height:auto;\" > only.  The negative branch of this is required; so this means what the really needed answer is:\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=highlight%28g%28x%29=-sqrt%28x-3%29%29 ALIGN=MIDDLE  ALT=\"highlight%28g%28x%29=-sqrt%28x-3%29%29\"   DISABLED_style= \"max-width:90%; height:auto;\" >  AND  <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=x%3E=3 ALIGN=MIDDLE  ALT=\"x%3E=3\"   DISABLED_style= \"max-width:90%; height:auto;\" > if staying with real number solutions. </SPAN>\n" );
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