If \( f:[-2,2] \rightarrow R \) is defined by \( f(x)=\left\{\begin{array}{l}-1, \text { for }-2....
If \( f:[-2,2] \rightarrow R \) is defined by \( f(x)=\left\{\begin{array}{l}-1, \text { for }-2 \leq x \leq 0 \\ x-1, \text { for } 0 \leq x \leq 2\end{array}\right. \), then \( \{x \in[-2,2]: x \leq 0 \)
\( \mathrm{P} \)
and \( f(|x|)=x\}= \)
(1) \( \{-1\} \)
(2) \( \{0\} \)
(3) \( \{-1 / 2\} \)
(4) \( \phi \)
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