9000010602

Level: 
Project ID: 
9000010602
Source Problem: 
Accepted: 
1
Clonable: 
1
Easy: 
0
Identify a function which has a domain \((-\infty ;-2)\cup (2;\infty )\).
\(y = \sqrt{ \frac{1} {x^{2}-4}}\)
\(y = \frac{1} {x^{2}-4}\)
\(y = \sqrt{x^{2 } + 4}\)
\(y = \sqrt{x^{2 } - 2}\)
\(y = \sqrt{x^{2 } - 4}\)
\(y = \sqrt{ \frac{1} {x^{2}-2}}\)