#### 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: $[-4,\ \infty)$.

Published by
Brooks Cole

ISBN 10:
1305115546

ISBN 13:
978-1-30511-554-5

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

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