College Algebra 7th Edition

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

Chapter 2, Functions - Chapter 2 Review - Exercises: 17

Answer

the domain is: $[-4,\ \infty)$

Work Step by Step

We are given: $f(x)=\sqrt{x+4}$ We can't take the square root of a negative number, so: $x+4\geq 0$ $x\geq-4$ Therefore the domain is: $[-4,\ \infty)$.
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