Which tables represent linear functions? Check all that apply. A 2-column table with 4 rows. Column 1 is labeled x with entries 4, 5, 6, 7. Column 2 is labeled y with entries 7, 8.75, 10.5, 12.25. A 2-column table with 4 rows. Column 1 is labeled x with entries 21, 22, 23, 24. Column 2 is labeled y with entries 98, 75, 56, 37. A 2-column table with 4 rows. Column 1 is labeled x with entries negative 12, negative 11, negative 10, negative 9. Column 2 is labeled y with entries 4, negative 1, negative 4, negative 7. A 2-column table with 4 rows. Column 1 is labeled x with entries 40, 41, 42, 43. Column 2 is labeled y with entries negative 18, negative 22.5, negative 27, negative 31.5.