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:
= 2001.19452
Step-by-step explanation:
V=πr2h=π·72·13≈2001.19452
Answer:
Step-by-step explanation:
X-4
The answer to your math problem is 11
Answer:
y=-3.571
Step-by-step explanation:
To get rid of the x's make the other x cancel out the other.
5x-y=25+(-5(x+4y=-10)=-21y=75= -3.571