Answer
Even
Work Step by Step
$f(-x)=\frac{(-x)^{2}}{(-x)^{4}+1}=\frac{x^{2}}{x^{4}+1}=f(x)$.
Because $f(-x)=f(x)$ it follows that $f$ is even.
Graph is attached.
Calculus: Early Transcendentals 9th Edition
by Stewart, James
Published by
Cengage Learning
ISBN 10:
1337613924
ISBN 13:
978-1-33761-392-7
Chapter 1 - Section 1.1 - Four Ways to Represent a Function - 1.1 Exercises - Page 21: 82
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