Math for Econ II, Written Assignment 4 (20 points) 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. • Write your name and recitation section number. • Staple your homework if you have multiple pages! 1. (5 pts) Find the global maximum and global minimum values (if they exist) of x 2 + y 2 in the region x + y = 1. If there is no global max, justify why