Question

in the function rule, y = 2x - 8, what is y when x = 10? y = ?

Explanation:

Step1: Substitute x = 10 into the function

We have the function \( y = 2x - 8 \). Substitute \( x = 10 \) into it, so we get \( y = 2\times10 - 8 \).

Step2: Calculate the value

First, calculate \( 2\times10 = 20 \), then subtract 8: \( 20 - 8 = 12 \).

Answer:

12