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: 6

Answer

$ R $

Work Step by Step

The domain of any function consists of the values it can take on the x-axis. Note that we can not have zero in the denominator. However, $ x^2+4\neq 0$, so the domain of $ f $ is the whole real line $ R $.

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