Your answer would be 3 and 1/8
Answer is : 1.2 geometric series
Answer:


Step-by-step explanation:
Given

Solving (a): 
We have:

Express f(x) as y

Swap x and y

Add 8 to 


Square both sides

Rewrite as:

Express y as: 

To determine the domain, we have:
The original function is 
The range of this is: 
The
of the
function is the
of the
function.
<em>Hence, the domain is:</em>
