
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 the function $f(x)=ax+ \frac {1}{ax}+b$ be defined on $(0,+\infty)$ where $a > 0$.  
(I) Find the minimum value of $f(x)$.  
(II) If the tangent line to the curve $y=f(x)$ at the point $(1,f(1))$ is $y= \frac {3}{2}x$, find the values of $a$ and $b$.

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