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# ECO406 Mathematical Economics Assignment No 01 Solution & Discussion Due Date: 12-05-2014

SEMESTER SPRING 2014
Mathematical Economics (ECO406)
Assignment No. 1
Due Date: 12 May, 2014 Marks: 30
Question 1:
Some functions are given below:
1) h = -(t-3)2 +6
2) y = X3 +2X2 + 2
3) 8x+2y = 0
4) y = 3x -2
5) c = 2x
A. Identify whether each of these functions is linear or non-linear? Also give reasons.
B. Draw graphs of these functions by using Microsoft Excel or Microsoft Word.
(Marks: A=7.5, B=7.5)
Question 2:
Akram is a dealer of Uninterrupted Power Supply (UPS) units, batteries, and generators. Due
to an increase in load shedding problem, demand for batteries has also increased and prices
of batteries have also doubled. Due to this increased demand of batteries, Akram wants to
enhance his business but he has no funds/capital to invest in his business. One of his friends
is willing to lend him for investment on some terms and conditions. If he borrows \$2000 from
his friend at the rate of 10% interest per year, find payable amount due at the end of 4 years
if the interest is compounded annually, monthly and daily?
(Marks: 5+5+5)
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### Replies to This Discussion

Our main purpose here discussion not just Solution

We are here with you hands in hands to facilitate your learning and do not appreciate the idea of copying or replicating solutions.

plzzzzzzzzzzzz any

Jis ki power 1 ho gi.... i mean to say x or y ki power 1 ho gi wo linear function ho ga... aur jis ki power more then 1 ho gi... like  x^2, x^3 to wo nonlinear ho ga.

8x + 2y = 0 linear (implicit function)

y = 3x - 2 linear function (Explicit function)

c = 2x linear (explicit function)

Hope u ll understand

PV = FV / (1+i)^n

2000 =  FV / ( 1+ 0.1) ^ 4

FV = 2000 * 1.4641

FV = 2928

thanks

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