You can
put this solution on YOUR website!Are you saying y = absolute (x+1) ?
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If you are:
Let x=0, then y = |0+1| = 1
Let x=-1, then y = |-1+1| = 0
Let x = -2, then y = |-2+1| = |-1| = 1
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Plot those points and connect.

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Cheers,
Stan H.