Answer
{u: u$\ne$±2}
Work Step by Step
The domain of G is the set of numbers u such that the polynomial in the denominator is not equal to 0.
$u^{2}-4=0$ when u=±2.
Therefore,
The domain of G(u): {u: u$\ne$±2}
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 - Exercises - Page 22: 7
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