document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=910979>Question 910979</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Calculate the number of subsets and the number of proper subsets for the given set.\r<BR>\n" );
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document.write( "{x | x (element) N and 1 < x < 5}<BR>\n" );
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document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #552786 by </B><A HREF=/tutors/aboutme.mpl?userid=jim_thompson5910><B>jim_thompson5910(35256)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=jim_thompson5910><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=552786\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> x is a natural number and it's between 1 and 5 (excluding each endpoint)\r<BR>\n" );
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document.write( "So we have this set: {2, 3, 4}\r<BR>\n" );
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document.write( "There are 3 elements which means n = 3.\r<BR>\n" );
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document.write( "So there are 2^n = 2^3 = 8 subsets and (2^n)-1 = (2^3)-1 = 8-1 = 7 proper subsets. </SPAN>\n" );
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