Answer:
The answer is C.
Step-by-step explanation:

We are to find the value of

First we need to find the inverse of f(x) . The inverse of

is

.
Steps to find inverse of f(x) are shown below in the image.
So

=
Therefore, the correct answer is option C
Answer:
27 after 81 is 243
Step-by-step explanation:
The pattern is that you multiply 3 each time.
Answer:
For one month:22*.025=.55
For 6 moths: 6*.55 =3.3
The answer is 3.3 $