document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=883205>Question 883205</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Determine whether the function f(x)=x^2-4x has an inverse. \r<BR>\n" );
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document.write( "I thought yes, that the graph passes the horizontal line test, but maybe it doesn't pass the horizontal test? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #533378 by </B><A HREF=/tutors/aboutme.mpl?userid=richard1234><B>richard1234(7193)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=richard1234><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=richard1234><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=533378\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> It doesn't -- f(x) is a parabola pointing upward, so you can draw a horizontal line that passes through two different points on the graph of f(x). </SPAN>\n" );
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