So what makes a function a function is that each input (x) only has one output (y).
Set A is not a function because when x = 2, y = -2 and 3.
Set B is not a function because when x = 9, y = 3 and -3.
In short, the correct option is "Neither A nor B".
Answer:
D. Each polygon has two pairs of congruent sides that are adjacent.
Hold on let me try to help let me figure it out for you
84 units squared so answer c
It is a multiplication sign. *
I hope I helped.
