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If f: [-2, 2] -> R is defined by f(x)...

If `f: [-2, 2] -> R` is defined by `f(x)={-1`,for `-2<=x<=0` , then `x-1`, for `0<=x<=2` `[x in [-2, 2] : x <= 0 and f(| x |) = x} =`

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Since, `f(|x|) = |x|-1`
` f(|x|) = x`
We have, `|x| = x ;x≥0 `
And `|x| = -x ; x≤0 `
...
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