Answer:
f(10x-8)=-20x+22
f(g(x))
possibly
g(-2x+6)=-20x+52
g(f(x))
If needing a different answer math-way can possibly help you as it helped me.
The coach ticket she bought was =$142 and the
The first ticket was =$1002
That is so the amount of coach ticket she bought was 1560 and the first class ticket is 11880
I hope this helps you