document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=309764>Question 309764</A>: <I><SPAN STYLE=\"word-break: break-all;\"> If C = {counting numbers} and   I =  {integers}, then C &#8745;  I is which  of the following?\r<BR>\n" );
document.write( "<BR>\n" );
document.write( "\n" );
document.write( "(A) {whole numbers}<BR>\n" );
document.write( "(B) {counting numbers}<BR>\n" );
document.write( "(C) {non negative integers}<BR>\n" );
document.write( "(D) {positive real numbers}<BR>\n" );
document.write( "(E) {even integers}<BR>\n" );
document.write( " </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #729000 by </B><A HREF=/tutors/aboutme.mpl?userid=amalm06><B>amalm06(224)</B></A><img src=\"/images/stars/stars-09.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=amalm06><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=amalm06><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=729000\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> The answer is B). The question is giving you two sets, N and Z, and asking which elements are common to both sets. Since Z-N=Z^-, the answer is simply N itself.  </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );