Functions (mathematics)/Graphs/Absolute function

Absolute function

• $y=f(x)=|x|$

Graph

$y=f(x)=+x$

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