document.write( "Question 401388: The equations S = 5000 + 200x and D = 9500 – 100x express the supply S and the demand D, respectively, for a popular compact disc brand in terms of its price x (in dollars).
\n" ); document.write( "a) Graph the equations on the same coordinate system.
\n" ); document.write( "b) What happens to the supply as the price increases?
\n" ); document.write( "c) What happens to the demand as the price increases?
\n" ); document.write( "d) The price at which supply and demand are equal is called the equilibrium price. What is the equilibrium price?
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Algebra.Com's Answer #284054 by mananth(16946)\"\" \"About 
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S = 5000 + 200x and D = 9500 – 100x\r
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\n" ); document.write( "\n" ); document.write( "Red line = supply
\n" ); document.write( "supply increases as price increase
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\n" ); document.write( "Green line = demand
\n" ); document.write( "demand declines as x increases.
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\n" ); document.write( "Equilibrium price = $15\r
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\n" ); document.write( "m.ananth@hotmail.ca
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