# Chapter 4 - 4.1 - Rational Functions and Asymptotes - 4.1 Exercises - Page 315: 5

Domain : x lies in the interval (-∞,1) U (1,∞)

#### Work Step by Step

$f(x) = \frac{1}{x-1}$ Denominator cannot be zero hence x cannot be 1. Apart from that all real values are allowed.

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