Answer:
Orange
Explanation:
Function means for same
there can not be two different
.
We observe in the Brown table there is
- here at same
There exists two different
. Thus it is not a function.
Similarly in Pink table, there are two dots at same
meaning there are two different
at same
which is not possible. Thus that is also not a function.
Therefore only Orange has all
unique, that is the function.