Determine each of the following based on the relation {(-5, -3), (-2, 1), (2, 2), (-5, 8)}.
1. Is the relation {(-5, -3), (-2, 1), (2, 2), (-5, 8)} a function?
2. Identify the domain of the relation {(-5, -3), (-2, 1), (2, 2), (-5, 8)}.
3. Identify the range of the relation {(-5, -3), (-2, 1), (2, 2), (-5, 8)}.