Functions (mathematics)/Graphs/Absolute function

Absolute function

$y=f(x)=+x$

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

Straight line on the right

$y=f(x)=-x$

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

Straight line on the left

$y=f(x)=|x|$

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

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