document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=638456>Question 638456</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Show that the inverse of the function x^2 - 4x + 3 is 2 + sqrt(1+x) </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #402210 by </B><A HREF=/tutors/aboutme.mpl?userid=lwsshak3><B>lwsshak3(11628)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=lwsshak3><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=402210\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Show that the inverse of the function <BR>\n" );
document.write( "x^2 - 4x + 3 is 2 + sqrt(1+x)<BR>\n" );
document.write( "**<BR>\n" );
document.write( "y=x^2-4x+3<BR>\n" );
document.write( "to find the inverse, interchange x and y, then solve for y.<BR>\n" );
document.write( "x=y^2-4y+3<BR>\n" );
document.write( "y^2-4y=x-3<BR>\n" );
document.write( "complete the square<BR>\n" );
document.write( "y^2-4y+4=x-3+4<BR>\n" );
document.write( "(y-2)^2=x+1<BR>\n" );
document.write( "y-2=&#8730;(x+1)<BR>\n" );
document.write( "y^-1=2+&#8730;(1+x) </SPAN>\n" );
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