The expression provided in the image is:

$f(x) = \frac{2x - 1}{x}$

Would you like me to analyze this function further, perhaps by finding its derivative, identifying any asymptotes, or examining its behavior? Let me know!

Here are some related questions for deeper exploration:

1. What is the derivative of $f(x) = \frac{2x - 1}{x}$?
2. Are there any vertical or horizontal asymptotes for this function?
3. What is the behavior of $f(x)$ as $x$ approaches zero?
4. Can we simplify $f(x)$ for easier interpretation?
5. What is the limit of $f(x)$ as $x \to \infty$?

Tip: For rational functions like $f(x) = \frac{2x - 1}{x}$, check for points where the denominator equals zero, as they often indicate asymptotes or undefined values.