What is the domain of the given function?
{(3.-2), (6, 1), (-1, 4), (5,9), (-4, 0)}
O {x | x = -4,-1, 3, 5, 6}
Oy | y = -2, 0, 1, 4,9}
O {x | x = -4,-2,-1, 0, 1, 3, 4, 5, 6, 9}
O {y | y = -4,-2, -1, 0, 1, 3, 4, 5, 6, 9)