Question

What’s the domain of (3,7),(4,1),(-1,-8),(2,2),(4,-1)

Answer 1

{-1,2,3,4}

Explanation:

The domain is the input values

(3,7),(4,1),(-1,-8),(2,2),(4,-1)

(3,4,-1,2,4)

We do not list the repeats

(3,4,-1,2)

(-1,2,3,4)