Give the domain and range.

A relation. An arrow goes from 1 to negative 1, from 2 to 0, from 3 to 1.
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}

Please select the best answer from the choices provided