Give the domain and range. A relation. An arrow goes from 0 to 2, 2 to 6, 4 to 10.
a.
domain: {0, 2, 4}, range: {2, 6, 10}
b.
domain: {0}, range: {2}
c.
domain: {2, 6, 10}, range: {0, 2, 4}
d.
domain: {2}, range: {0}