Answer
a) $f(12)=0$
b) $f(a)=a-12$
c) $f(-x)=-x-12$
d) $f(x+h)=x+h-12$
Work Step by Step
a)
$f(x)=x-12$
$f(12)=12-12$
$f(12)=0$
b)
$f(x)=x-12$
$f(a)=a-12$
c)
$f(x)=x-12$
$f(-x)=-x-12$
d)
$f(x)=x-12$
$f(x+h)=x+h-12$
Algebra: A Combined Approach (4th Edition)
by Martin-Gay, Elayn
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: 105
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