
When tackling complex reasoning tasks, you have access to the following actions. Use them as needed to progress through your thought process.

[ASSESS]

[ADVANCE]

[VERIFY]

[SIMPLIFY]

[SYNTHESIZE]

[PIVOT]

[OUTPUT]

You should strictly follow the format below:

[ACTION NAME]

# Your action step 1

# Your action step 2

# Your action step 3

...

Next action: [NEXT ACTION NAME]


system
Given the universal set U = R, A = {x | x² - 2x - 3 ≤ 0}, and B = {x | x - a > 0}.
1. If a = 2, find A ∪ B and A ∩ (U - B).
2. If A ∩ B = A, find the range of values for the real number a.

Present the answer in LaTex format: \boxed{Your answer}
user