Math Help Fast!!!

x 1 4 7 13 16 19
y 4 7 10 16 19 22
Based on the relationship between the independent variable x and dependent variable y above, Leia believes that the domain is {1, 4, 7, 10, 13, 16, 19} and the range is {4, 7, 10, 16, 19, 22}. Is Leia correct? If not, determine Leia's error, and state the correct domain and/or range.