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: 3

Answer

a is the input with years as the units. H is the output with inches as the units. This is not a function.

Work Step by Step

We know that a is the input because it is inside the parentheses. H is the output because it is the "coefficient" of the parentheses. The units of years and inches are both given in the problem. This is not a function because multiple kids could be the same age but have different heights.
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