What are the domain and range of the function?

domain: {x∈r: x≥−1}
domain: {x∈r: x≤−2}
domain: {x∈r: x≤−1}
domain: {x∈r: x≥−2}
range: {y∈r: y≤−2}
range: {y∈r: y≥−2}
range: {y∈r: y≤−1}
range: {y∈r: y≥−1}