College Algebra 7th Edition

Published by Brooks Cole
ISBN 10: 1305115546
ISBN 13: 978-1-30511-554-5

Chapter 2, Functions - Section 2.1 - Functions - 2.1 Exercises - Page 193: 59


$[-1,\ \infty)$

Work Step by Step

We are given: $f(x)=\sqrt{x+1}$ The domain of a function consists of all values that $x$ is allowed to have. In this case, we can not take the square root of a negative number: $x+1\geq 0$ $ x\geq-1$ Therefore, the domain is: $[-1,\ \infty)$
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