no links and no wrong answer please help i'll mark you the brainlest.
What are the domain and range of the function?

domain: {x|x∈R} and range:{y|y∈R}

domain:{x|−2≤x≤2} and range:{y|−10≤y≤10}

domain: {x|x∈R} and range: {y|−6≤y≤6}

domain:{x|−2≤x≤2} and range: {y|−6≤y≤6}