Respuesta :

MirrorsOfLight

The domain is C, x >= 5.


Think about it, we can't square root a negative number, so A and B are automatically out of the question


If we put in x = 6, then we get sqrt(1), which is valid. So D is out.


calculista

Answer:

[tex]x\geq 5[/tex]

Step-by-step explanation:

we have

[tex]y=2\sqrt{x-5}[/tex]

we know that

The radicand (number under a radical) must be greater than or equal to zero

so

[tex]x-5\geq 0[/tex]

solve for x

Adds [tex]5[/tex] both sides

[tex]x\geq 5[/tex]

the domain is the interval---------> [5,∞)

All real numbers greater than or equal to [tex]5[/tex]

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