BBMP1103 - Sept 2011 exam workshop - part 9
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BBMP 1103Mathematic Management
Exam Preparation Workshop Sept 2011Part 9 – Consumer’s Surplus and
Critical Point
Presented By: Dr Richard Ng
26 Nov 20112ptg – 4ptg
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9. Focus on Consumers’ Surplus
There are consumers who are willing to pay more than the equilibrium price, so they benefit from the lower equilibrium price. The area of A represents the consumers’ surplus.
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Question: 20 (January 2011)
Prepared by Dr Richard Ng (2011) Page 3
p = 200 – q2
p = 6q + 160
6q + 160 = 200 – q2
q2 + 6q – 40 = 0
Suggested Answers:
(q + 10)(q – 4) = 0
q = -10 and q = 4
p = 200 – (4)2 = 200 – 16 = 184
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10. Focus on Critical Point
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Question: 21 (May 2010)
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Question: 22 (September 2009)
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End ofExam
Workshop
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