The graph represents the relation the function that coincides with this relation is 1. f(y)=|y|/2 f(y)=2|y|/3 f(y)=|y|/5 f(y)=5|y| 2. f(y) =3y/2 when y us greater than 0 f(x)= -3x/2 when -y is less than or equal to 0 f(x)= -x/5 when y is less than 0 f(y)= 5y when y is less than or equal to 0