document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1183909>Question 1183909</A>: <I><SPAN STYLE=\"word-break: break-all;\"> A. Identify which collections are sets. Explain your answer. <BR>\n" );
document.write( "1. collection of employees in the Registrar's Office<BR>\n" );
document.write( "2. collection of young people in the campus<BR>\n" );
document.write( "3. collection of textbooks in Grade 7<BR>\n" );
document.write( "4. collection of fruit-bearing trees<BR>\n" );
document.write( "5. collection of comfortable footwear\r<BR>\n" );
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document.write( "B. Use the roster method and the set-builder notation to write the following sets.<BR>\n" );
document.write( "1. The set of counting numbers from 1 to 10<BR>\n" );
document.write( "2. The set of vowels in the English alphabet <BR>\n" );
document.write( "3. The set of counting numbers divisible by 3 and less than 19<BR>\n" );
document.write( "4. The set of factors of 12 <BR>\n" );
document.write( "5. The set of consonants in the word \"ALGEBRA\"<BR>\n" );
document.write( "6. The set of months in the year that begins with B <BR>\n" );
document.write( "7. The set of letters in the word \"CALCULATORS\"\r<BR>\n" );
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document.write( "C. Give the cardinalities of the sets given in Part B.<BR>\n" );
document.write( "D. Find all the subsets of the given sets. <BR>\n" );
document.write( "1. A = {1}<BR>\n" );
document.write( "2. B = {1, 2}<BR>\n" );
document.write( "3. C = (1, 2, 3}<BR>\n" );
document.write( "4. D= (1, 2, 3, 4)\r<BR>\n" );
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document.write( "E. Make a generalization on the number of subsets of a set containing n elements based on your answers obtained in Exercise D.<BR>\n" );
document.write( "F. Give examples of two sets A and B where A is a proper subset of B.<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 #814431 by </B><A HREF=/tutors/aboutme.mpl?userid=greenestamps><B>greenestamps(13203)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=greenestamps><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=greenestamps><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=814431\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> <br><BR>\n" );
document.write( "Your post contains several related but different problems; the rule of the forum is one question per post.  A is one problem; B and C together are a different problem; D and E are a third problem; and F is a separate fourth problem.  Re-post them separately.<br><BR>\n" );
document.write( "All of the problems are quite basic, with clear instructions; you should be able to work them yourself.  If you are really having difficulties with them, then tell us what those difficulties are (as the instructions for making a post tell you to do.)<br><BR>\n" );
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