Functions (mathematics)/Graphs/Absolute function

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Graph

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x: -3 -2 -1 0 1 2 3
y: -3 -2 -1 0 1 2 3
Straight line on the right


 

x: -3 -2 -1 0 1 2 3
y: 3 2 1 0 1 2 3
Straight line on the left

 

x: -3 -2 -1 0 1 2 3
y: 3 2 1 0 1 2 3