Question

What is the domain of the relation graph below?

Answer 1

The domain would be: -4 ≤ x ≤ 4

The range would be: -1 ≤ y ≤ 1

And that would make the answer to the question:  {x | -4 ≤ x ≤ 4}.

Answer 2

Look at the picture.

Domain: -4 ≤ x ≤ 4

Range: -1 ≤ y ≤ 1

Answer: {x | -4 ≤ x ≤ 4}