Question

Pls tell me the
domain
range
and if its a function or not thx

Answer 1

both domain and range are {-4, -3, -2, -1, 0, 1, 2, 3, 4}

it IS a function

Explanation:

The domain is the list of x-values of the plotted points. It is all the integers from -4 to +4, inclusive.

The range is the list of y-values of the plotted points. It is all the integers from -4 to +4, inclusive. (domain and range are the same for this function)

No x-value has more than one y-value associated with it, so this relation IS A FUNCTION.