For items 2 – 6: Determine whether the function is linear or not linear given the table of values. Write L if the function is linear and NL if it is not linear. 2. Х -4 0 4 3. 8 12 X -2 -1 0 1 2 -4 -1 2 у 5 8 у 9 4 1 1 4 9 4 -2 0 -1 1 2 X -2 -1 0 1 Х 2. 2 5. 1 -2 -3 -2 у 1 у -4 -1 2 5 8 6. -3 X -2 -1 0 1 y у -9 -5 -3 -1