Algebra: A Combined Approach (4th Edition)

Published by Pearson
ISBN 10: 0321726391
ISBN 13: 978-0-32172-639-1

Chapter 8 - Section 8.2 - Introduction to Functions - Practice: 7


The equation $y= 4x+2$ is a function.

Work Step by Step

A relation is a function if each x-value is only assigned to one y-value. For any value of x inserted into the equation $y= 4x+2$, the will only be a single output of y. Therefore, the equation $y= 4x+2$ is a function.
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