document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=553435>Question 553435</A>: <I><SPAN STYLE=\"word-break: break-all;\"> A theater’s maximum capacity is 425 people. The cost of admission to a play at the theater<BR>\n" );
document.write( "is $29. The revenue function R = 29n, in which n is the number of tickets sold, represents<BR>\n" );
document.write( "the amount of income from admissions for one performance. What values of n represent a<BR>\n" );
document.write( "reasonable domain for the revenue function in this situation?<BR>\n" );
document.write( "it is5 either....  [A] any real number such that 0 less than or equal to n, n is less than or equal to 425 (cant type in the signs) [C] any whole number such that 0 is less than or equal to n, n is less than or equal to 425 \r<BR>\n" );
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document.write( "thought is was the whole number answer but everywhere i check it says should be a real number... what is the difference? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #360838 by </B><A HREF=/tutors/aboutme.mpl?userid=Theo><B>Theo(13342)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=Theo><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=Theo><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=360838\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> theater's max capacity is 425.<BR>\n" );
document.write( "cost of a ticket is $29.00<BR>\n" );
document.write( "revenue function is r = 29n where:<BR>\n" );
document.write( "r is the total revenue<BR>\n" );
document.write( "n is the number of tickets sold.<BR>\n" );
document.write( "-----<BR>\n" );
document.write( "in this function, n is the independent variable and r is the dependent variable.<BR>\n" );
document.write( "the value of n can be anywhere from 0 to 425.<BR>\n" );
document.write( "n has to be a whole number because you can't sell parts of a ticket.<BR>\n" );
document.write( "n does have to be 0 or positive because you can't sell negative amounts of tickets.<BR>\n" );
document.write( "here's a reference that describes the real number system.<BR>\n" );
document.write( "<a  rel=nofollow HREF= \"http://teachers.henrico.k12.va.us/math/ms/c30708/01NumberSense/1-4RealNumSystem.html\" target = \"-blank\">http://teachers.henrico.k12.va.us/math/ms/c30708/01NumberSense/1-4RealNumSystem.html</a><BR>\n" );
document.write( "whole numbers are a subset of integers and natural numbers are a subset of whole number because natural numbers don't contain 0.<BR>\n" );
document.write( "i would say you are correct in your assumption that the domain is the set of whole numbers.<BR>\n" );
document.write( "that takes you from 0 to 425 in whole numbers.<BR>\n" );
document.write( "since tickets are only sold as units that can't be broken down into something smaller than that, you will never get any number of tickets that is not a whole number.<BR>\n" );
document.write( "real number includes a lot more than that.<BR>\n" );
document.write( "if they had said:<BR>\n" );
document.write( "real number such that n >= 0 and n is an integer <= 425, then they would be more accurate since, in effect, they would be describing a whole number.\r<BR>\n" );
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