Intermediate Algebra (6th Edition)

Published by Pearson
ISBN 10: 0321785045
ISBN 13: 978-0-32178-504-6

Chapter 3 - Section 3.2 - Introduction to Functions - Exercise Set - Page 142: 89



Work Step by Step

We are given that $y=x+7$, which is an example of a relation between the variables x and y. However, to note that y is a function of x, we can rewrite this as $y=f(x)=x+7$. This function notation, read as "f of x," tells us that y is a function of x (or that y depends on x).
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