
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 $f(x)= \sqrt {x^{2}-4x+4}-|x-1|$:

1. Solve the inequality $f(x) > \frac {1}{2}$;
2. If positive numbers $a$, $b$, $c$ satisfy $a+2b+4c=f(\frac {1}{2})+2$, find the minimum value of $\sqrt { \frac {1}{a}+ \frac {2}{b}+ \frac {4}{c}}$.

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