document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1083131>Question 1083131</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Inverse of x²+5x+9 </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #697130 by </B><A HREF=/tutors/aboutme.mpl?userid=natolino_2017><B>natolino_2017(77)</B></A><img src=\"/images/stars/stars-08.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=natolino_2017><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=697130\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> let f(x) = x^2 + 5x + 9.\r<BR>\n" );
document.write( "\n" );
document.write( "domain of f: all the real numbers.\r<BR>\n" );
document.write( "\n" );
document.write( "f(-3) = 3 and f(-2) = 3, so the function is not injective.\r<BR>\n" );
document.write( "\n" );
document.write( "So there's not an inverse for the function for the domain.\r<BR>\n" );
document.write( "\n" );
document.write( "@natolino </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );