, , ,

Since for each value of there is one and only one value of , the given relation is a function.

The relation is a function.

Since the relation is a function and for each value of there is one and only one value of , the given relation is a one-to-one function.

The relation is a one-to-one function.

Determine if Injective (One to One) (-1,0) , (-2,1) , (4,3) , (3,4)