Precalculus (6th Edition) Blitzer

Published by Pearson
ISBN 10: 0-13446-914-3
ISBN 13: 978-0-13446-914-0

Chapter 1 - Section 1.7 - Combinations of Functions; Composite Functions - Exercise Set - Page 258: 6


$(-\infty, +\infty)$

Work Step by Step

The function is defined for all real numbers. In general, quadratic functions, such as the given function, are defined for all real numbers. Therefore their domains are the set of all real numbers. Thus, the domain of the given function is: $(-\infty, +\infty)$.
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