The function f is defined by `f(x) ={[1-x \ x<0], [1 \ \ \ \ \ \ \ \ x=0], [x+1 \ x >0]}`. Draw the graph of `f(x)`.

Explanation

`f(x) ={[1-x \ x<0], [1 \ \ \ \ \ \ \ \ x=0], [x+1 \ x >0]}`



Let ` f(x)=y. `Then,


`y=1−x ` or `x+y=1` for` x<0`



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