Answer
All real numbers except $x=-0.5$.
Work Step by Step
The denominator cannot be 0, hence if $2x+1=0$ then $2x=-1$ and therefore $x=-0.5$. Hence the domain is all real numbers except $x=-0.5$.
Precalculus (10th Edition)
by Sullivan, Michael
Published by
Pearson
ISBN 10:
0-32197-907-9
ISBN 13:
978-0-32197-907-0
Chapter 6 - Trigonometric Functions - 6.3 Properties of the Trigonometric Functions - 6.3 Assess Your Understanding - Page 394: 1
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