Answer:
I think it is c if not try to serch the answer up
Answer: 
Step-by-step explanation:
By definition the domain of an inverse function
is the range of f(x) and the range of the inverse function is equal to the domain of the principal function f(x).
If you have a function
, then to find the inverse function, follow these steps:
1. Make 


2. Solve for the variable "x":

3. Exchange the variable "x" with the variable "y":

4. Exchange "y" with
. Then the inverse function is:

The answer is D
Explanation:22.5 is how much each vaccine is and x is how many vaccines while y is the total cost and 45 is a standard fee
Answer:
The shorter base is 3
Step-by-step explanation:


