Explanation: This question's it's about the function notation. Function notation is the equation
can be written using function notation. Consider the function represented by the equation f(x)=6x-4 and f(x) when x=8.
First rewrite the problem down.

Then you put by the value of x as the 8.

And then simplify and just gives us the final answer.
Don't forget to used f(x) gave us the final answer.

Hope this helps!
Thanks!