|
| 3, if
3
( )
2 , if
3
< 3
6
2, if
3
x
x
f x
x
x
x
x
+
≤ −
=
−
−
<

+
≥

8 |
|, if
0
( )
0,
if
0
x
x
f x
x
x

≠
= 

=

9 , if
0
|
|
( )
1,
if
0
x
x
x
f x
x

<
= 
−
≥

10 2
1, if
1
( )
1, if
1
x
x
f x
x
x
+
≥
= 
+
<

11