Which point could be removed in order to make the relation a function?

{(0, 2), (3, 8), (–4, –2), (3, –6), (–1, 8), (8, 3)}

(8, 3)
(3, –6)
(–1, 8)
(–4, –2)

Talia grouped the terms and factored out the gcf of the groups of the polynomial 15x2 – 3x – 20x + 4. her work is shown below. (15x2 – 3x) + (–20x + 4) 3x(5x – 1) + 4(–5x + 1) talia noticed that she does not have a common factor. what should she do?