Identify which table shows a direct variation.

Two tables.

For each table the column headings are x and y.

Table 1 has column one values of 1, 2, 3 and column 2 values of 19, 38, 57.

Table 2 has column 1 values 5, 6, 7 and column 2 values 48, 72, 84.


A.

Table 1 only


B.

Table 2 only


C.

both tables


D.

neither table