To find \( f(4) \) for the function \( F(x) = 5 - 3x \), follow these steps:

1. Substitute \( x = 4 \) into the function \( F(x) \).
   
   \[
   F(4) = 5 - 3 \cdot 4
   \]

2. Calculate the value:
   
   \[
   F(4) = 5 - 12
   \]

3. Simplify the result:
   
   \[
   F(4) = -7
   \]

Therefore, \( f(4) = -7 \).

Would you like more details or have any questions?

Here are some related questions for further practice:
1. Find \( F(2) \) for \( F(x) = 5 - 3x \).
2. Determine the value of \( F(-1) \).
3. What is \( F(0) \)?
4. Find \( F(x) \) when \( x = -3 \).
5. Determine the inverse of the function \( F(x) = 5 - 3x \).
6. What is the slope of the function \( F(x) = 5 - 3x \)?
7. If \( F(x) = y \), express \( x \) in terms of \( y \).
8. How does the graph of \( F(x) = 5 - 3x \) look like?

**Tip:** When finding the value of a function at a specific point, always remember to substitute the given value for the variable in the function's equation.

Learn how to evaluate the function F(x) = 5 - 3x at x = 4 with a step-by-step solution. This problem involves linear functions and function evaluation. Suitable for students in Grades 7-9.

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