document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=18446>Question 18446</A>: <I><SPAN STYLE=\"word-break: break-all;\"> explain why function y=x square has no inverse.suggest how many inverse can you<BR>\n" );
document.write( "define for it </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #8838 by </B><A HREF=/tutors/aboutme.mpl?userid=venugopalramana><B>venugopalramana(3286)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=venugopalramana><IMG SRC=http://www.algebra.com/images/aboutme-small.gif BORDER=0 alt=\"About Me\" VALIGN=MIDDLE></A>&nbsp;<IMG SRC=http://www.geocities.com/venugopalramana/FREE_MATHS_ASSISTANCE.html valign=middle><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=8838\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> y=x square is a function because for every x there is a unique image in y for example no two different values of y correspond to same value of x ........ where as the inverse equation x=square root of (y)..does not give raise to a unique image for y ..for example y=+4 can have 2 images in x namely +2 and -2.in such a case it is not called a function<BR>\n" );
document.write( "we can make it a function by redefining x as equal to only<BR>\n" );
document.write( "..... + square root of (y).. </SPAN>\n" );
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