Determine the constant of proportionality represented in each graph.I will vote branliest if you give me the right answer
A.1/2
B.1
C.2
D.4
![Determine the constant of proportionality represented in each graphI will vote branliest if you give me the right answer A12 B1 C2 D4 class=](https://us-static.z-dn.net/files/d2c/83123f88b6c50cc139a11ec4fc6347c5.jpg)