Solution Found!
In 1.19 and 1.20,for each n E Z the mapping f" : Z -> Z is defined by f,,(x) = nx. For
Chapter 1, Problem 1.19(choose chapter or problem)
QUESTION:
In 1.19 and 1.20,for each n E Z the mapping f" : Z -> Z is defined by f,,(x) = nx. For which values of n is f" onto?
Questions & Answers
QUESTION:
In 1.19 and 1.20,for each n E Z the mapping f" : Z -> Z is defined by f,,(x) = nx. For which values of n is f" onto?
ANSWER:Step 1 of 2
For each integer n, we get following mapping
Domain=Z
Co-domain=Z
So is a mapping that maps an element in domain to n-times that element.