Problem 72E

Suppose that f is a function from A to B. where A and B are finite sets with |A| = |B|. Show that f is one-to-one if and only if it is onto.

Step-by-Step Solution:

Solution:Step 1:The objective of this question is to show that f is one-to-one if and only if it is onto.

Step 2 of 3

###### Chapter 2.3, Problem 72E is Solved

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Step 3 of 3