Calculus (3rd Edition)

Published by W. H. Freeman
ISBN 10: 1464125260
ISBN 13: 978-1-46412-526-3

Chapter 1 - Precalculus Review - 1.2 Linear and Quadratic Functions - Preliminary Questions - Page 17: 4


The $\Delta y$ is of 9

Work Step by Step

$f(x)=3x+2$ Now increase $x$ by 3, $\implies$ $f(x+3)=3(x+3)+2=3x+11$ $f(x) - f(x+3) = 9$ =$\Delta y$
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