Upload
richard-ng
View
5.038
Download
8
Tags:
Embed Size (px)
DESCRIPTION
Prepared by Dr. Richard Ng
Citation preview
BBMP 1103Mathematic Management
Exam Preparation Workshop Sept 2011Part 9 – Consumer’s Surplus and
Critical Point
Presented By: Dr Richard Ng
26 Nov 20112ptg – 4ptg
Prepared by Dr Richard Ng (2011) Page 2
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.
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
Prepared by Dr Richard Ng (2011) Page 4
Prepared by Dr Richard Ng (2011) Page 5
Prepared by Dr Richard Ng (2011) Page 6
10. Focus on Critical Point
Prepared by Dr Richard Ng (2011) Page 7
Prepared by Dr Richard Ng (2011) Page 8
Prepared by Dr Richard Ng (2011) Page 9
Prepared by Dr Richard Ng (2011) Page 10
Prepared by Dr Richard Ng (2011) Page 11
Question: 21 (May 2010)
Prepared by Dr Richard Ng (2011) Page 12
Question: 22 (September 2009)
End ofExam
Workshop
Prepared by Dr Richard Ng (2011) Page 13