PLEASE HELP :( This table models a linear function
x -12 -8 -4 4
y 4 2 0 -4
Enter the coordinates of the y-intercept in the boxes.
( , )

List x1, x2, x3, x4 where xi is the midpoint endpoint of the five equal intervals used to estimate the area under the curve of f(x) between x = 0 and x = 10.