Question

Is the relation a function? If it is a function state the domain and range of not circle the part the causes it to not be a function (1,-2),(-1,2),(-2,4),(1,3)

Answer 1

No because the domain which is the x in the coordinate is repeating. one input and one output only

Answer 2

No it is not a function because it does not pass the Vertical Line Test. The points that make it not a function are (1,3) and (1,-2) since they are both on the same x-coordinate.

Explanation: