For this case we must propose a function of the form
that complies with the given relation:
We have the values of "x", that is, the entry is given by:
-3, -2, -1,0,1
If we propose:

We have the values of "and", that is, the output will be given by:

The relationship is fulfilled.
Then, the function is f (x) = x-2
Answer:
