51.20 Which explains why the graph is not a function?
5
4
.3
2.
O It 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.
O It is not a function because there are two different x-
values for a single y-value.
O It is not a function because there are two different y-
values for a single x-value.
1-
-5 -4 -3 -2 -14
1
2
3
4
5
-2 + .
-3
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