Answer:
A
Step-by-step explanation:
there is a constant pattern from one term to another
add -7 to get to the next term
True it’s true hope this helps
Given: 

A.)Consider





Also,





Since, 
Therefore, both functions are inverses of each other.
B.
For the Composition function 
Since, the function
is not defined for
.
Therefore, the domain is 
For the Composition function 
Since, the function
is not defined for
.
Therefore, the domain is 