Algebra 2 (1st Edition)

Published by McDougal Littell
ISBN 10: 0618595414
ISBN 13: 978-0-61859-541-9

Chapter 2 Linear Equations and Functions - 2.1 Represent Relations and Functions - 2.1 Exercises - Skill Practice - Page 78: 41


See below.

Work Step by Step

$f(2a)=f(a+a)=f(a)+f(a)=2f(a)$ Also $f(0)=f(a-a)=f(a)-f(a)=0$
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