Answer
Even
Work Step by Step
Suppose $f$ and $g$ are even functions.
Thus, $(f+g)(-x)=f(-x) +g(-x)$
or, $=f(x) +g(x)$
or, $=(f+g)(x)$
Therefore, the sum of two even functions is even.
Algebra and Trigonometry 10th Edition
by Larson, Ron
Published by
Cengage Learning
ISBN 10:
9781337271172
ISBN 13:
978-1-33727-117-2
Chapter 2 - P.S. Problem Solving - Page 239: 3a
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