Assignment: Relations and Functions
Follow the directions to solve all the parts of each problem. Show all work leading to your answer.
1. There are many ways to describe relations and function. Consider the relation shown as a set of
ordered pairs:
{(2,3), ( −1,5), (4,3), (0,5), (3, −2)}
a. Describe this relation in three different ways:
•
Make a mapping diagram.
•
List the domain and range in set notation.

b. Does this relation represent a function? How do you know?

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2. Create a relation of 5-8 ordered pairs similar to those given to you in Problem 1. Your relation should
be written using proper set notation as shown in the example problem.

Describe this new relation in three different ways:
•
Make a mapping diagram.
•
List the domain and range in set notation.