What is domain of the function $g(x)=\sqrt{x^{2}-4}$=

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What is domain of the function $g(x)=\sqrt{x^{2}-4}$=

E

Editor

Sep 18, 2022

What is domain of the function $g(x)=\sqrt{x^{2}-4}$=

Difficulty: Easy

A:

R

B:

Z^{-}

C:

[0, \infty)

D:

(- \infty, -2)U[2, \infty)

ID: 63273db8ca83163ac3a1048b