
or
Use the following function rule to find f(0).

f(x)	 = 	
4	
x
 

f(0) = 


To find \( f(0) \), substitute \( 0 \) for \( x \) in the function \( f(x) = 4x \).

\[
f(0) = 4(0) = 0
\]

So, \( f(0) = 0 \).

Would you like more details or have any questions?

Here are 5 related questions for practice:
1. What is \( f(2) \) if \( f(x) = 4x \)?
2. How do you determine \( f(-3) \) using the same function?
3. What would be the value of \( f(x) \) if \( x = \frac{1}{2} \)?
4. If the function changes to \( f(x) = 5x + 2 \), what is \( f(0) \)?
5. Can you explain what the slope of the function \( f(x) = 4x \) represents?

**Tip:** When finding \( f(a) \) for any value \( a \), substitute \( a \) in place of \( x \) in the function rule and simplify!

Use the following function rule to find f(0). f(x) = 4x. f(0) = ?

Learn how to find f(0) using the linear function f(x) = 4x. This example demonstrates the concept of substitution in functions, perfect for students in Grades 6-8. Follow the simple steps to solve and understand the method.

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