Ineed desperate !

coordinate grid with both axis ranging from negative 5 to 5. a graph of a straight line with a negative slope passes through the first, second, and fourth quadrants. the line passes through points begin ordered pair 2 comma negative 2 end ordered pair and begin ordered pair negative 3 comma 4 end ordered pair. i select is a function or is not a function to correctly classify each relation.

is a function is not a function

{(3, , , , 7)}

{(1, , , , 4)}

{(2, , , , 8)}

{(0, , , , 5)}