20 points! match each relation with its domain and range. 1. d = {1,2, -1}; r = {3,5,2} 2. {1,2, -1}; r = {1,2, -1} 3. d = {3,5,2}; r = {3,5,2} 4. d = {3,5,2}; r = {1,2, -1} a. {(1,3), (2,5), (-1,2)} b. {(3,3), (5,5), (2,2)} c. {(1,1), (2,2), (-1,-1)} d. {(3,1), (5,2), (2, -1)}