f(x) Transforms to f(|x|)

Q. The graph of $f\left(x\right)=x^2-3|x|+2$ is

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2. 
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4. 

Q. Which of the following functions represent the below graph?

1. $y=-x$
2. $y=|x|$
3. $y=|-x|$
4. $y=-|x|$

Q. The graph of $f\left(x\right)=||x-1|-1|$ is

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3. 
4.