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: $[-4,\ \infty)$.
College Algebra 7th Edition
by Stewart, James; Redlin, Lothar; Watson, Saleem
Published by
Brooks Cole
ISBN 10:
1305115546
ISBN 13:
978-1-30511-554-5
Chapter 2, Functions - Chapter 2 Review - Exercises - Page 268: 17
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