Question

evaluate the expression for f = 4. 2f = \boxed{}

Explanation:

Step1: Substitute \( f = 4 \) into the expression \( 2f \)

The expression is \( 2f \), and we know \( f = 4 \). So we replace \( f \) with 4, getting \( 2\times4 \).

Step2: Calculate the product

\( 2\times4 = 8 \)

Answer:

8