Answer
(-a, b)
Work Step by Step
To reflect a function across the y-axis as in f(-x) you must multiply the x-coordinates by -1. This gives us the point (-a, b).
College Algebra (6th Edition)
by Blitzer, Robert F.
Published by
Pearson
ISBN 10:
0-32178-228-3
ISBN 13:
978-0-32178-228-1
Chapter 2 - Functions and Graphs - Exercise Set 2.5 - Page 285: 149
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