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We are given the function \( f(x) = 4x - 12 \), and asked to find \( f(2) \).

To solve for \( f(2) \), substitute \( x = 2 \) into the function:

\[
f(2) = 4(2) - 12 = 8 - 12 = -4
\]

So, the correct answer is \( \boxed{A. -4} \).

Would you like further details or explanations on this?

Here are five related questions:
1. What is the value of \( f(3) \) for the same function?
2. If \( f(x) = 4x - 12 \), what is the inverse function \( f^{-1}(x) \)?
3. How do you determine if a function is linear or nonlinear?
4. What is the slope and y-intercept of the function \( f(x) = 4x - 12 \)?
5. Can you solve for \( f(x) = 0 \) and find the value of \( x \)?

**Tip:** Always check your substitution carefully when plugging values into a function to avoid small calculation errors.

Learn how to evaluate the function f(x) = 4x - 12 by finding f(2). This problem focuses on basic algebraic concepts, including linear functions and function evaluation. Suitable for students in Grades 7-8.

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