document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=123810>Question 123810</A>This question is from textbook <A HREF=http://www.amazon.com/exec/obidos/ASIN/0321356918/algebrahomeworkh>college Algebra</A><BR>\n" );
document.write( ": <I><SPAN STYLE=\"word-break: break-all;\"> Solve the problem.<BR>\n" );
document.write( "Assume that the sales of a certain appliance dealer are approximated by a linear function. Suppose that sales were $11,000 in 1982 and $47,000 in 1987. Let x=0 represent 1982. Find the equation giving yearly sales S(x). </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #90825 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=90825\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Assume that the sales of a certain appliance dealer are approximated by a linear function. Suppose that sales were $11,000 in 1982 and $47,000 in 1987. Let x=0 represent 1982. Find the equation giving yearly sales S(x).<BR>\n" );
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document.write( "You have two points (0,11000) and (5,47000)<BR>\n" );
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document.write( "slope = (47000-11000)/(5-0) = 7200<BR>\n" );
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document.write( "form is y = mx+b; you know m, y, and x; solve for b<BR>\n" );
document.write( "b=11000<BR>\n" );
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document.write( "S(x) = 7200x + 11000<BR>\n" );
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document.write( "Cheers,<BR>\n" );
document.write( "Stan H. </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );