Which representation models a proportional relationship between x and y? (Look at picture)
х
3
a
х
y
2 20
4 30
6 40
8 50
b
on w
y
18
30
36
60
6
10
101
8
8 6
6
18
16
14
12
104
8
6
4
2
4
2
х
х
0 1 2 3 4 5 6 7 8 9
0 1 2 3 4 5 6 7 8
