Answer:

Step-by-step explanation:
We have been given two functions as
and
. We are asked to show that both functions are inverse of each other algebraically and graphically.
Let us find inverse function of
as:

Interchange x and y values:

Using log property
, we will get:



Using log definition; If
, then
, we will get:


Therefore, we can see that function
is inverse of function
.
We can see that both functions are symmetric about line
, therefore, both functions are inverse of each other.
C= 11pi
⇒ d* pi= 11* pi
⇒ d= 11
The diameter is 11~
Answer:
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