document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1120753>Question 1120753</A>: <I><SPAN STYLE=\"word-break: break-all;\"> The table lists the average annual cost of tuition and fees at private 4-year colleges for selected years.\r<BR>\n" );
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document.write( "Year  Tuition and Fees (in dollars)\r<BR>\n" );
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document.write( "1994  11,719\r<BR>\n" );
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document.write( "1996  13,994\r<BR>\n" );
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document.write( "1998  17,709\r<BR>\n" );
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document.write( "2000  16,233\r<BR>\n" );
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document.write( "2002  21,116\r<BR>\n" );
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document.write( "2004  24,101\r<BR>\n" );
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document.write( "2006  32,218 \r<BR>\n" );
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document.write( "1.  Given any two data points with each consisting of the year and its corresponding tuition and fees, describe in detail how you would find a linear function that models the data shown in the table. Be sure to clearly define and interpret all components involved in your model.<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 #736443 by </B><A HREF=/tutors/aboutme.mpl?userid=solver91311><B>solver91311(24713)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=solver91311><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=solver91311><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=736443\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> <font face=\"Times New Roman\" size=\"+2\">\r<BR>\n" );
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document.write( "Each data point creates an ordered pair, (x,y) where the x-value represents the year and the y-value represents the corresponding tuition and fees value.  Use the two-point form of an equation of a line to create the linear relationship:\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=\"/cgi-bin/rendertex.cgi?\LARGE \ \ \ \ \ \ \ \ \ \ y\ -\ y_1\ =\ \frac{y_2\ -\ y_1}{x_2\ -\ x_1}(x\ -\ x_2)\">\r<BR>\n" );
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document.write( "Where <IMG STYLE=\"max-width:80%;\" SRC=\"/cgi-bin/rendertex.cgi?\Large (x_1,y_1)\"> and <IMG STYLE=\"max-width:80%;\" SRC=\"/cgi-bin/rendertex.cgi?\Large (x_2,y_2)\"> are the coordinates of the two data points used<BR>\n" );
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document.write( "John<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=\"/cgi-bin/rendertex.cgi?\LARGE e^{i\pi}\ +\ 1\ =\ 0\"><BR>\n" );
document.write( "My calculator said it, I believe it, that settles it<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=\"/cgi-bin/rendertex.cgi?\Large \ \\r\"> </SPAN>\n" );
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