Find the domain and range.
{(6,6), (5,5), (-6,-9), (-1,7), (-12,-2)}
domain = {6, -6, -12,-1, 5); range = {6, -9,-2, 7,5}
domain = {6, 6, -6, -9, -12}; range = {-2, -1, 7, 5, 5}
domain = {6, -9, -2, 7,5}; range = {6, -6, -12,-1,5}
domain = {-2, -1, 7,5, 5}; range = {6, 6, -6, -9, -12}