Choice A is the correct answer. Linear pattern.

1. Pattern: Every 3 steps in x, y goes down by 3 ($3 \to 0$).
2. Next Step: $x=6$ is another 3 steps.
3. Result: $y$ goes down another 3. $0 - 3 = -3$.

💡 Strategic Tip: Linear functions have constant first differences.

Choice B is incorrect.Choice C is incorrect.Choice D is incorrect.