Question

please help!! 9th grade math domain and range k12 math use the grid... here's the answer options... A.) domain: x€ℝ and range: -6 ≤ y ≤ 6 B.) domain: -2 ≤ x ≤ 2 and range: y C.) domain: x and range: -6 ≤ y ≤ 6 D.) domain: x€ℝ and range: y€ℝ ALSO PLEASE SHOW HOU DID IT I NEED TO UNDERSTAND THIS PLEASE AND THANK YOU!!!

Answer 1

ok it's simple, you see that the graph is a line that can be extended to infinity, this means that it can take any value both sideways, up or down

So the right option is D

because X can be any real value and the same for Y