ECO401 - Economics-Midterm-Subjective-Paper(2-12-2011)
1. What would be the shape of indifference curve in each of the following?
a. A, B are two brands of the same product, consumer can not tell the difference whether which is good or preferred.
b. X is good and Y is bad like household refuses.?
2)when price discrimantion when it would harmfull and beneficial for public investment?
3)characteristics of oligopoly and monopoly?
4)difference between external economies and external dis economies?
Find the point of discontinuing of the given function: 2 Marks
f (x) = 3x + 1
X2-7x+12
Find dx at (-5,6) if x2 + y2 =0 2 Marks
dy
Determine whether lim 1 – cos |x| exists or not? 3 Marks
x−>0 x
if f '(t)= 2t then find the intervals on which the function f(t) increasing
and decreasing? 3 Marks
Use an epsilon-delta argument to prove that 5 Marks
lim (3x+5) = 35
x−>0
if f(x) = x -5x+6 then find the intervals where the function is concave
up and concave down. 5 Marks
