fn043 - ECON 331 Mathematical Economics T. Heaps Fall, 2004...

Info iconThis preview shows pages 1–2. Sign up to view the full content.

View Full Document Right Arrow Icon
ECON 331 Mathematical Economics T. Heaps Fall, 2004 FINAL Dec. 14, 2004 8:30 - 11:30 Do no more than ten of the following eleven questions. The questions are equally weighted. Show all your work since partial credit will be given. Write legibly. You may refer to your text or your notes. Questions: 1. Compute the price elasticity for the demand function y f p 10 p 3 p 1 .Is this demand function elastic for all p , inelastic for all p , or neither of these? 2. Let A , B , C , X and Y be square n n matrices with | A | 0 , which satisfy the two equations i AX Y B ii X 2 A 1 Y C Solve these equations for X and Y , expressed in terms of A , B and C . 3. For what values of a does the following system of equations have a unique solution, no solution or an infinite number of solutions? ax y 4 z 2 2 x y a 2 z 2 x 3 z a 4. Consider the quadratic form q x 1 , x 2 , x 3 2 ax 1 2 2 x
Background image of page 1

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
Image of page 2
This is the end of the preview. Sign up to access the rest of the document.

This note was uploaded on 10/08/2011 for the course PHYS 102 taught by Professor Thewalt during the Spring '09 term at Simon Fraser.

Page1 / 2

fn043 - ECON 331 Mathematical Economics T. Heaps Fall, 2004...

This preview shows document pages 1 - 2. Sign up to view the full document.

View Full Document Right Arrow Icon
Ask a homework question - tutors are online