1. Domain: {6, 7, -7, 0}, Range: {-3, 4, -2}; Function
2. Domain: {7}, Range: {1, -3, 4}; Not a function
3. Domain: {..., -3, -2, -1, 0, 1, 2, ...}, Range: {..., 2, 1, 0, 1, 2, 3, ...}; Function
4. Domain: -5 ≤ x ≤ 2, x ∈ I, Range: 0 ≤ y ≤ 8, y ∈ I; Function
5. Domain: {-3, -2, 1, 2, 3}, Range: {-2, 0, 2}; Function
6. Domain: -3 ≤ x ≤ 2, Range: 1 ≤ y ≤ 5; Function
7. Domain: x ∈ R, Range: y ≥ 2; Function
8. Domain: {-3}, Range: y ∈ R; Not a function
9. Domain: -3 ≤ x ≤ 5, Range: -3 ≤ y ≤ 3; Not a function
10. Domain: x ≤ -1 or x ≥ 3, Range: y ∈ R; Not a function
11. Domain: x ≥ -4, Range: y ≥ 2; Function
12. Domain: -5 ≤ x ≤ 7, x ∈ I, Range: {2}; Function
13. Domain: x ≤ 0, Range: y ≤ -3 or y ≥ 3; Function
14. Domain: 0 ≤ x ≤ 4, Range: -2 ≤ y ≤ 2; Not a function
15. Domain: -5 ≤ x ≤ 6, Range: -3 ≤ y ≤ 2; Function
16. Domain: -5 ≤ x ≤ -2 or x ≥ 3, Range: y ≥ 1; Function
17. Domain: -3 ≤ x ≤ 4, Range: -5 ≤ y ≤ 1; Not a function
18. Domain: x ∈ R, Range: {3}; Function
19. Domain: {3, -2, -4}, Range: {7, -2, 9}; Not a function
Parent Tip: Review the logic above to help your child master the concept of functions domain and range worksheet.
