To add \( \sqrt{19} + \sqrt{19} \), you can think of it as:
\[ 2 \cdot \sqrt{19} \]
This is equivalent to:
\[ \sqrt{19} + \sqrt{19} = 2\sqrt{19} \]
So among the choices provided, none look explicitly like \( 2\sqrt{19} \). However, if we were to analyze the options closely, the option \( 2 \sqrt{19} \) can also be represented as:
\[ \sqrt{4 \cdot 19} = \sqrt{76} \]
However, that is not in your given options.
If we examine the closest to the answer or the structure:
- \( 2 \sqrt{19} \) (which is equal to or could be expressed in terms of the sum of square roots you proposed)
But for the added answer of \( \sqrt{38} \) or others, you might just conclude that:
The correct answer written conventionally, closest to the representation, would be interpreted as:
2 Start Root 19 End Root.
Thus, the answer is:
2 Start Root 19 End Root.