## Precalculus (6th Edition) Blitzer

Published by Pearson

# Chapter 1 - Section 1.7 - Combinations of Functions; Composite Functions - Exercise Set - Page 258: 3

#### Answer

$(-\infty, 4) \cup (4, +\infty)$

#### Work Step by Step

The denominator cannot be zero since division of zero is undefined. The number 4 makes the denominator zero. Thus, the domain of the given function is the set of all real numbers except $4$. In interval notation, the domain is: $(-\infty, 4) \cup (4, +\infty)$

After you claim an answer you’ll have 24 hours to send in a draft. An editor will review the submission and either publish your submission or provide feedback.