Give the domain and range.
123
101
a. domain: {1, 2, 3), range: (1, 0, 1}
b. domain: {-1, 0, 1), range: {1, 2, 3}
c. domain: {1, 0, 1), range: {1, 2, 3}
d. domain: {1, 2, 3), range: {-1, 0, 1}