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.
$1-2x\ne0$
$-2x\ne-1$
$x\ne\frac{-1}{-2}$
$x\ne\frac{1}{2}$
Algebra and Trigonometry 10th Edition
by Larson, Ron
Published by
Cengage Learning
ISBN 10:
9781337271172
ISBN 13:
978-1-33727-117-2
Prerequisites - P.5 - Rational Expressions - Exercises - Page 48: 10
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