Homework06.docx - Homework 6 1. Determine whether each of...

Homework 6
1. Determine whether each of the following functions is 1-to-1 and whether it is onto. Assume
the domain and co-domain is Z , the integers. Explain your answers. (20 points, 2 parts – 10
points each)
a. f ( n ) = n / 2, assuming integer division
2. Given each of the following functions that maps X = {1, 2, 3} to Y = { A , B , C } (20 points, 2
parts – 10 points each) Determine whether the function has an inverse. If it has an inverse,
provide it. If it does not, explain why not.
A
A