Math for Economics II, Written Assignment 1 (30 points)
Due Friday, September 18th, in recitation
Fall 2015
Please write neat solutions for the problems below. Show all your work. If you only write the answer with no work,
you will not be given any credit

Vectors (10.2, 10.3 of Stewart)
Math for Economics II
September 10, 2015
Math for Economics II
Vectors (10.2, 10.3 of Stewart)
How to compute fx and fy from a contour diagram
The contour diagram of f (x, y ) below represents the temperature
at the point (

Directional derivatives, gradients, tangent planes,
and dierentials (11.4, 11.6 of Stewart)
Math for Economics II
September 10, 2015
Math for Economics II
Directional derivatives, gradients, tangent planes, and dierentials
Average rate of change in a dire

Condensed Review, Functions of Several Variables
(MFE text: Chapter 11)
Math for Economics II
September 3, 2015
Math for Economics II
Condensed Review, Functions of Several Variables(MFE text: Cha
There are comprehensive review slides posted on NYU Classe