
or
Complete the table.

f(x) = x − 1
x
f(x)
2	
4	
6	
8	


To complete the table for the function \( f(x) = x - 1 \), we need to substitute each value of \( x \) into the function and find the corresponding \( f(x) \).

Given:

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

Let's calculate:

1. For \( x = 2 \):
   \[
   f(2) = 2 - 1 = 1
   \]
   
2. For \( x = 4 \):
   \[
   f(4) = 4 - 1 = 3
   \]
   
3. For \( x = 6 \):
   \[
   f(6) = 6 - 1 = 5
   \]
   
4. For \( x = 8 \):
   \[
   f(8) = 8 - 1 = 7
   \]

Now, the completed table is:

\[
\begin{array}{|c|c|}
\hline
x & f(x) \\
\hline
2 & 1 \\
\hline
4 & 3 \\
\hline
6 & 5 \\
\hline
8 & 7 \\
\hline
\end{array}
\]

Would you like more details on how these calculations were done or have any questions?

Here are five related questions to deepen your understanding:

1. What would the table look like for \( f(x) = 2x - 1 \)?
2. How would the table change if \( f(x) = x + 2 \)?
3. Can you find \( f(x) \) if \( x = 10 \) using the same function?
4. What is the inverse function of \( f(x) = x - 1 \)?
5. How would the graph of \( f(x) = x - 1 \) look?

**Tip:** When working with functions, always ensure you're substituting the correct value of \( x \) into the function to find \( f(x) \).

Complete the table.

f(x) = x − 1
x	f(x)
2	
4	
6	
8	


Learn how to complete a table for the linear function f(x) = x - 1. This step-by-step guide explains how to substitute values of x into the function to find corresponding values of f(x). Perfect for students in Grades 6-8 looking to strengthen their understanding of algebra and linear equations.

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