Which table contains the vertex of the graph represented by y=x^2-6x+4?

X. Y
-2 20
0 4
2 -4
4 -4


X. Y
-1 11
1. -1
3. -5
6. 4

X. Y
-3. 31
-1. 12
0. 4
2 12

X. Y
0 5
2 7
3. 5
5. 7