please help **if you don't know please, please don't answer** which of these representations show y as a function of x
a- representations 1,2 and 3
b- representations 2 and 3 only
c- representations 1 and 3 only
d- representation 2 only

please help if you dont know please please dont answer which of these representations show y as a function of x a representations 12 and 3 b representations 2 a class=