54
Mark this and return
4-
3-
2
1+
-5-4-3-2-1₁.
-2
-3-
-5
y
●
2 3 4 5 x
Which explains why the graph is not a function?
OIt is not a function because the points are not
connected to each other.
It is not a function because the points are not related
by a single equation.
OIt is not a function because there are two different x-
values for a single y-value.
It is not a function because there are two different y-
values for a single x-value.