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XxKimxX XxKimxX
  • 23-09-2015
  • Mathematics
Answered

Determine whether each statement is always, sometimes, or never true. explain your reasoning. A. |x|=|-x| _________ B. |x|=-|x| _______ C. |-x|=-|x| _______

Verified Answer :

konrad509
konrad509 konrad509
  • 23-09-2015
A\(|-x|=|x| \Rightarrow |x|=|-x|\) always true

B. \(|x|\geq0 \quad \forall_{x\in \mathbb{R}}\) so \(|x|=-|x|\) is never true

C. same as B




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