Algebra: A Combined Approach (4th Edition)

Published by Pearson
ISBN 10: 0321726391
ISBN 13: 978-0-32172-639-1

Chapter 8 - Section 8.2 - Introduction to Functions - Exercise Set - Page 589: 106

Answer

a) $f(2)=11$ b) $f(a)=2a+7$ c) $f(-x)=-2x+7$ d) $f(x+h)=2x+2h+7$

Work Step by Step

a) $f(x)=2x+7$ $f(2)=2*2+7$ $f(2)=4+7$ $f(2)=11$ b) $f(x)=2x+7$ $f(a)=2a+7$ c) $f(x)=2x+7$ $f(-x)=2*-x+7$ $f(-x)=-2x+7$ d) $f(x)=2x+7$ $f(x+h)=2(x+h)+7$ $f(x+h)=2x+2h+7$
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