College Algebra (6th Edition)

Published by Pearson
ISBN 10: 0-32178-228-3
ISBN 13: 978-0-32178-228-1

Chapter 2 - Functions and Graphs - Exercise Set 2.1 - Page 228: 124

Answer

true

Work Step by Step

Look at the graph to find the corresponding values for $f(-1)$ and $f(4)$, and then verify the statement. $f(-1)-f(4)=2$ $f(-1)=1$ $f(4)=-1$ $1-(-1)=1+1=2$
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