
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
Let \[ f(x) =
\begin{cases} 
4x^3 + 5 & \text{if } x \leq 5, \\
bx + 4 & \text{if } x > 5. 
\end{cases} \]
Find $b$ if the graph of $y=f(x)$ is continuous.

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