9000081408

SubArea: 
Absolute value
Level: 
B
Project ID: 
9000081408
Accepted: 
1
Clonable: 
0
Easy: 
1
For \(x\in \mathbb{R}^{-}\) consider expressions \(|x|\), \(|- x|\), \(-|x|\) and \(- x\). Which of these attains only negative values?
\(-|x|\)
\(|x|\)
\(|- x|\)
\(- x\)