The top right corner is the table that represents a linear function because when x goes up by 1 y continuously goes down by 2 and stays consistent
2.6666666667. It is endless, kinda.
Add the x^3:- 6 x3 + 3x3 = 9x3
x's:- -8x + 6x = - 2x
-5 + 2 = -3
the first choice is the correct one