Answer
$x\geq0$
Work Step by Step
By definition:
$x^\frac{1}{4} = \sqrt[4] x$
Therefore x have to be $x\geq0$, because there is no root for negative numbers.
So the domainof $f(x)=\frac{1}{4} $ is $x\geq0$
Calculus (3rd Edition)
by Rogawski, Jon; Adams, Colin
Published by
W. H. Freeman
ISBN 10:
1464125260
ISBN 13:
978-1-46412-526-3
Chapter 1 - Precalculus Review - 1.3 The Basic Classes of Functions - Preliminary Questions - Page 22: 1
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