The expression you provided is:

$f - 2f(-2)$

To find the value of this expression, we need more information about the function $f(x)$. Specifically, how $f(x)$ behaves for different values of $x$, including $f(-2)$.

Here are the general steps we can follow if you provide $f(x)$:

1. Find $f(-2)$ using the function definition of $f(x)$.
2. Multiply the result of $f(-2)$ by 2 to get $2f(-2)$.
3. Subtract $2f(-2)$ from $f$.

Could you please provide the function $f(x)$, or clarify what $f$ represents in this case?

5 Related Questions:

1. What type of function is $f(x)$? Is it linear, quadratic, etc.?
2. Do you have specific values for $f(x)$ that I can use to evaluate $f(-2)$?
3. Are there any restrictions on the domain of $f(x)$?
4. Could $f$ be a constant value, or does it vary depending on $x$?
5. Do you want to explore how to differentiate or integrate $f(x)$ after solving this?

Tip:

If you know the formula for $f(x)$, you can quickly evaluate specific function values by substituting the $x$-values into the function.