Wednesday, August 22, 2007

Homework 8/22

Complete:
p.58 #12-13, 16, 18-19, 26-28, 31-33, 41-45, 47, 50-51
p.156 #9-11
p. 137: find the inverse of the 8 graphs graphically

Study for your test tomorrow.

1 comment:

Joe Zheng said...

i don't know how to explain my answer formally of Group,field,ring. what is big difference between field and ring...
Can you write down a formal course of identifying a field or a ring..