Respuesta :

We have

X: -2, -1, 0, 1, 2

Y: -7, -2, 1, -2, -7

the domain is the set of all the possible values for x, in this case, we have

{-2, -1, 0, 1, 2}

the range is the set of all possible values of y in this case we have

{-7, -2, 1}

With this information, we can say it is a function,