document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=179817>Question 179817</A>: <I><SPAN STYLE=\"word-break: break-all;\"> What is the difference between  domain and range? \r<BR>\n" );
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document.write( "Describe a real life situation that could be modeled by a function.\r<BR>\n" );
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document.write( "Thank you </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #134770 by </B><A HREF=/tutors/aboutme.mpl?userid=Mathtut><B>Mathtut(3670)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=Mathtut><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=134770\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> domain is the set of input values in a function<BR>\n" );
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document.write( "range is the set of output values dependent on the domain values.<BR>\n" );
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document.write( "real life situation: lets see there are 1000's of them ....let take your phone for instance. let say you are charged $45 a month and 3 cents a minute for  every calls exceeding 500 minutes for the month.\r<BR>\n" );
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document.write( "so the Cost as a funtion of time would be<BR>\n" );
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document.write( "C(t)=45+.03(t-500)<BR>\n" );
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document.write( "obviously this is written so that there is no extra charge for calls at or under 500 minutes that is <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=t%3C=500 ALIGN=MIDDLE  ALT=\"t%3C=500\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
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