find the range of the relation (-1,4),(2,5), (3,5)then determine if the relation is a funtion or not thank u

Answer 1

for the mutiple choice is (-1, 2,3:function , (-1,2,3):not a function, (4,5)function, (4,5) not a function find the range of the relation (-1,4),(2,5), (3,5)then determine if the relation is a funtion or not