How do you find the domain of $y = 5 - sqrt(x+7)$ ?

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Answer 1 · 2016-06-19T07:07:35

the domain is $[-7,+oo)$

you can find the domain by solving:
$x+7>=0$
that's $x>=-7$
So the domain is $[-7,+oo)$

How do you find the domain of y = 5 - sqrt(x+7)y = 5 - sqrt(x+7)?