
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
If $f(x)$ is an increasing function on $\mathbb{R}$, and $f(-1) = -4$, $f(2) = 2$, let $P = \{x \mid f(x+t) < 2\}$, $Q = \{x \mid f(x) < -4\}$. If "x ∈ P" is a sufficient but not necessary condition for "x ∈ Q", then the range of values for the real number $t$ is ____.

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