Answer:
A. 
B. 
C. 
D. 
Step-by-step explanation:
A. To solve the first part of the problem we must replace
in the function 
So:

B. In part B we must find the inverse function of 
To find the inverse function do 

Now clear the variable x.

Replace x with y.

Finally

C. Now we take the inverse function found above and replace 

D. Now we substitute
in the original function.

Step-by-step explanation:
can you properly format this question its so hadd to understand
You need to use pemdas i will give i the answer in a minute
185 is the sum of the first part if the question
Answer:
yes
Step-by-step explanation:
8705/1000 = 8705*0.001
8.705 = 8.705