Q 43 and 23 DSE 2011

Posted by Sanjana on Jun 12, 2012; 7:03am
URL: http://discussion-forum.276.s1.nabble.com/Q-43-and-23-DSE-2011-tp7577660.html

Q.43 m=100.Assume non satiation.Price of B fixed at 20.when Price of A=10 3 units of B are bought.when Price of A=20 5 units of A are bought.From this we can conclude for the relevant price range
a)A is inferior
b)B is a complement to A
c)A is Giffen
d)All of the above



Q23.closest point on the parabola y=1/4x^2 from a given point (0,b) on the vertical axis with b>0,is the origin if and only if
a)b<3
b)b>3
c)b<2
d)b>2

can sb help out with these ques.? I need explanations.