Intermediate Algebra: Connecting Concepts through Application

Published by Brooks Cole
ISBN 10: 0-53449-636-9
ISBN 13: 978-0-53449-636-4

Chapter 1 - Linear Functions - 1.7 Functions and Function Notation - 1.7 Exercises: 30

Answer

This is a function

Work Step by Step

This equation represents a function because its input variable is squared, therefore it is a parabola. If you graph this equation on your calculator you will see that the parabola opens upward and passes the vertical line test.
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