Answer:
you have to add all of them up it will get you some of your awner

Thats what you would use, so now 2/10 is .2 When you divide so you move the decimal so 20%
The percent increase is 20%
Answer:
From the above image when the input of f(x) is 9 the output is 1
So f^-1(1) is just the reverse when the input is 1 the output is 9
So f^-1(1) = 9
Hope this helps
I don’t understand what you’re trying to find! I think it cut off. If you were talking abt the multiplication it makes 52.3