MATH 2345 section 54/55
Homework 5
Solutions
Q1.Show that the function is one-to-one and onto. Then find the inverse. Show your work.
,
.
.
Q2. Is the following function one-to-one? Is it onto.
+
=
.
Q4. If ࠵? + 1integers are chosen from the set {1,2,3, . . . ,2࠵?}, where ࠵?is a positive integer, must at least one of them be odd? Why?
