Which model represents -2 -3?
-5
-4
-3
-2
0
1
2
-1
w.
>
ie
4
-5 -4
+++
1 2 3
-3
-2
0
-1
X.
>
4
5
-4
-3
-2
0
1
2
3
-1
Y.
It
ke
At
-3
-2
0
z.