
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 function $f(x)=\ln \left(x+ \frac {1}{a}\right)-ax$ ($a\in\mathbb{R}$, and $a\neq 0$).
1. Discuss the monotonic intervals of $f(x)$.
2. If the graph of the line $y=ax$ is always above the graph of the function $y=f(x)$, find the range of values for $a$.

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