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Answer :

Meisbigbraingo

Answer:

answer is 4

I hope it helped

Step-by-step explanation:

[tex]f(x) = \sqrt{x} - 2\\[/tex]

which is basically

[tex]0 = \sqrt{x} - 2[/tex]

[tex]2 = \sqrt{x}[/tex]

[tex]2^{2} = x[/tex]

[tex]x = 4[/tex]

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