Question 722850
which relation is not a function?
{(1,-5),(2,-4),(1,-4)}
{(1,-5),(2,-4),(3,-3)}
{(1,-5),(2,-4),(3,2)}
{(1,-5),(2,-4),(3,-4)}
***
In a function, each x-value can only have one particular y-value.
The first set of ordered pairs violates this definition of a function.