
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 that a taxi has 48 liters of remaining fuel in the tank and consumes 8 liters of fuel per hour, the function relationship between the remaining fuel $y$ (in liters) in the tank and the driving time $x$ (in hours) is ____ (without specifying the range of the independent variable).

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