Editor
Editor
 Sep 18, 2022
0
What is domain of the function $g(x)=\sqrt{x^{2}-4}$=
Difficulty: Easy
A: 
R
B: 
$Z^{-}$
C: 
$[0, \infty)$
D: 
$(- \infty, -2)U[2, \infty)$
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NETNUST Entry TestMathematicsFunctions and Limits