Respuesta :

9514 1404 393

Answer:

  A  √40

Step-by-step explanation:

The given radical expression can be written as ...

  [tex]\displaystyle 2\sqrt{n+4}=\sqrt{2^2}\cdot\sqrt{n+4}=\sqrt{4(n+4)}=\sqrt{4n+16}[/tex]

The last two versions of this expression tell you two things:

  • the value under the radical must be a multiple of 4
  • the value under the radical is greater than 16

Only one answer choice meets these requirements:

  √40