document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=85289>Question 85289</A>: <I><SPAN STYLE=\"word-break: break-all;\"> The total revenue of Retailers,Inc.  increased according to the following table:\r<BR>\n" );
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document.write( "Year x since 1997	Total Revenue, R (millions $)<BR>\n" );
document.write( "1997, x = 0	$22<BR>\n" );
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document.write( "1998, x = 1	$23<BR>\n" );
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document.write( "1999, x = 2	$27<BR>\n" );
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document.write( "2000, x = 3	$31<BR>\n" );
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document.write( "2001, x = 4	$33<BR>\n" );
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document.write( "2002, x = 5	$38<BR>\n" );
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document.write( "Use the points (1,23) and (5,38) to find the equation of the function that fits this data.<BR>\n" );
document.write( "Now estimate the total revenue in the year 2008.<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 #61469 by </B><A HREF=/tutors/aboutme.mpl?userid=stanbon><B>stanbon(75887)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=stanbon><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=61469\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> 2002, x = 5 $38\r<BR>\n" );
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document.write( "Use the points (1,23) and (5,38) to find the equation of the function that fits this data.<BR>\n" );
document.write( "Now estimate the total revenue in the year 2008.<BR>\n" );
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document.write( "slope = [38-23]/[5-1] = 15/4<BR>\n" );
document.write( "If y=23 when x=1 and slope = 15/4, then:<BR>\n" );
document.write( "23 = (15/4)1+b<BR>\n" );
document.write( "b= (92-15)/4<BR>\n" );
document.write( "b= 77/4<BR>\n" );
document.write( "EQUATION:<BR>\n" );
document.write( "Revenue = (15/4)(year) + 77/4<BR>\n" );
document.write( "\"year\" for 2008 = 2002+6 = 5+6=11<BR>\n" );
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document.write( "Revenue(11) =(15/4)*11 + 77/4<BR>\n" );
document.write( "Revenue (2008) = 165/4 + 77/4 = 242/4 = $60.50<BR>\n" );
document.write( "=========<BR>\n" );
document.write( "Cheers,<BR>\n" );
document.write( "Stan H.<BR>\n" );
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