## Algebra and Trigonometry 10th Edition

Published by Cengage Learning

# Prerequisites - P.5 - Rational Expressions - Exercises - Page 48: 10

#### Answer

The domain of the expression is the set of all real numbers except $x=\frac{1}{2}$

#### Work Step by Step

$\frac{x-4}{1-2x}$ The denominator must be different from 0. $1-2x\ne0$ $-2x\ne-1$ $x\ne\frac{-1}{-2}$ $x\ne\frac{1}{2}$

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