Which of the table(s) are nonlinear

Answer:
Table 2
Step-by-step explanation:
Table 2 is nonlinear because from -4 to -2 it moves by -12 but from -2 to 0 it moves by -4
Answer:
Table 4
Step-by-step explanation:
Because the two middles are proportional because the pass through 0,0 and table 1 only the right side is right so the table 4