Answer: 
Step-by-step explanation:
Given

We can write it as

Express x in terms of y

Replace y be x to get the inverse

To prove, it is inverse of f(x). 

So, they are inverse of each other.
Answer:
A human hair is 0.0008 meters thicker.
i think....
Step-by-step explanation:
I dont know math well but try to look it up
The answer is A) 7x103 is 3.5 times larger than 2x103