The given function is:

\[
f(x) = 4 - (x + 1)
\]

First, simplify the expression inside the parentheses:

\[
f(x) = 4 - x - 1
\]

Now, combine like terms:

\[
f(x) = 3 - x
\]

So, the simplified function is:

\[
f(x) = 3 - x
\]

Would you like more details, or do you have any questions?

Here are 5 related questions you could explore:

1. What is the domain of \( f(x) = 3 - x \)?
2. How do you find the inverse of the function \( f(x) = 3 - x \)?
3. What is the slope and y-intercept of \( f(x) = 3 - x \)?
4. How does the graph of \( f(x) = 3 - x \) compare to the graph of \( f(x) = -x \)?
5. What happens to \( f(x) \) as \( x \to \infty \)?

**Tip**: When simplifying expressions, always distribute negative signs carefully to avoid errors!

Explore how to simplify the function f(x) = 4 - (x + 1) into f(x) = 3 - x through step-by-step algebraic techniques. This problem covers fundamental algebraic concepts such as distributing negative signs and combining like terms, making it suitable for students in Grades 6-8.

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