Answer:
(1,-1),(-3,-8),(8,-1),(0,5)
Step-by-step explanation:
(-3,1),(8,-2),(0,0),(8,6) is not a function
(-1,-8),(-8,-3),(-8,7),(4,1) is not a function
(-3,-8),(-3,-7),(2,-7),(6,-4) is not a function
(1,-1),(-3,-8),(8,-1),(0,5) has to be the function