
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
Suppose $f(x), g(x), h(x), p(x)$ are linear equations where $f(x) = x + 1$, $g(x) = -x + 5$, $h(x) = 4$, and $p(x) = 1$. Define new functions $j(x)$ and $k(x)$ as follows:
$$j(x) = \max\{f(x), g(x), h(x), p(x)\},$$
$$k(x)= \min\{f(x), g(x), h(x), p(x)\}.$$
Find the length squared, $\ell^2$, of the graph of $y=k(x)$ from $x = -4$ to $x = 4$.

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