Answer
a. $4a$
b. $-4x$
c. $4x+4h$
Work Step by Step
We are given that $P(x)=4x$
$P(a)=4(a)=4a$
$P(-x)=4(-x)=-4x$
$P(x+h)=4(x+h)=4x+4h$
Intermediate Algebra (6th Edition)
by Martin-Gay, Elayn
Published by
Pearson
ISBN 10:
0321785045
ISBN 13:
978-0-32178-504-6
Chapter 5 - Section 5.3 - Polynomials and Polynomial Functions - Exercise Set - Page 281: 121
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