D(x) is the​ price, in dollars per​ unit, that consumers are willing to pay for x units of an​ item, and​ S(x) is the​ price, in dollars per​ unit, that producers are willing to accept for x units. Find ​(a​) the equilibrium​ point, ​(b​) the consumer surplus at the equilibrium​ point, and ​(c​) the producer surplus at the equilibrium point.   ​D(x)=(x−9)^2​, ​S(x)=x^2+6x+57

ENGR.ECONOMIC ANALYSIS
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Chapter1: Making Economics Decisions
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D(x) is the​ price, in dollars per​ unit, that consumers are willing to pay for x units of an​ item, and​ S(x) is the​ price, in dollars per​ unit, that producers are willing to accept for x units. Find
​(a​)
the equilibrium​ point,
​(b​)
the consumer surplus at the equilibrium​ point, and
​(c​)
the producer surplus at the equilibrium point.
 
​D(x)=(x−9)^2​,
​S(x)=x^2+6x+57
 
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