document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=146117>Question 146117</A>: <I><SPAN STYLE=\"word-break: break-all;\"> The function S=5000 +200x and D= 9500 -100x express the supply S and the demand D respectively, for a popular CD brand as a function of its price x in dollars.<BR>\n" );
document.write( "Graph the functions on the same coordinate system.<BR>\n" );
document.write( "What happens to the supply as price increases?<BR>\n" );
document.write( "What happens to demand as price increases?<BR>\n" );
document.write( "The price at which supply and demand are equal is called equilibrium price.  What is the equalibrium price?  </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #106700 by </B><A HREF=/tutors/aboutme.mpl?userid=ankor@dixie-net.com><B>ankor@dixie-net.com(22740)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=ankor@dixie-net.com><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=ankor@dixie-net.com><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=106700\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> The function S=5000 +200x and D= 9500 - 100x express the supply S and the demand D respectively, for a popular CD brand as a function of its price x in dollars.<BR>\n" );
document.write( "Graph the functions on the same coordinate system.<BR>\n" );
document.write( ":<BR>\n" );
document.write( "Graph both for x = 5 and x = 25; let S and D = y<BR>\n" );
document.write( "S = 5000 + 200x; (purple)<BR>\n" );
document.write( " x | y<BR>\n" );
document.write( "-------<BR>\n" );
document.write( " 5 |6000<BR>\n" );
document.write( "25 |1000<BR>\n" );
document.write( "and<BR>\n" );
document.write( "D = 9500 - 100x; (green)<BR>\n" );
document.write( " x | y<BR>\n" );
document.write( "-------<BR>\n" );
document.write( " 5 |9000<BR>\n" );
document.write( "25 |7000<BR>\n" );
document.write( ":<BR>\n" );
document.write( "Graph should look like this:<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+graph%28+300%2C+200%2C+-20%2C+80%2C+-2000%2C+12000%2C+200x%2B5000%2C+-100x%2B9500%29+ ALIGN=MIDDLE  ALT=\"+graph%28+300%2C+200%2C+-20%2C+80%2C+-2000%2C+12000%2C+200x%2B5000%2C+-100x%2B9500%29+\"   DISABLED_style= \"max-width:90%; height:auto;\" > <BR>\n" );
document.write( ":<BR>\n" );
document.write( "What happens to the supply as price increases?<BR>\n" );
document.write( "Supply goes up (purple)<BR>\n" );
document.write( ":<BR>\n" );
document.write( "What happens to demand as price increases?<BR>\n" );
document.write( "Demand goes down (green)<BR>\n" );
document.write( ":<BR>\n" );
document.write( "The price at which supply and demand are equal is called equilibrium price. What is the equalibrium price?<BR>\n" );
document.write( ":<BR>\n" );
document.write( "Where the two graphs intersect, x = 15; is the equilibrium price </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );