Which of the following functions describe the graph shown in the below figure?

1. $y=\mid \mid x \mid + 1 \mid -2$
2. $y=\mid \mid x \mid - 1 \mid -1$
3. $y=\mid \mid x \mid + 1 \mid -1$
4. $y=\mid \mid x - 1 \mid -1\mid$

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