
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
A triangle with vertices at \((2, 3)\), \((4, -1)\), and \((7, 0)\) is reflected about the y-axis. What is the area of the union of the original triangle and its reflection?
A) 10  
B) 12  
C) 14  
D) 16  
E) 18

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