Answer:
1.62533254
Step-by-step explanation:
Would it be 6.5 since the scale factor is 1.5 and its added to the 3 to get 4.5? correct me if i’m wrong
Question 1:
For this case we have the following functions:

We must find
):
By definition we have to:


We substitute
:

So, we have that 
Answer:

Question 2:
For this case we have the following functions:

We must find
:
By definition we have to:

We substitute
:

Answer:

Question 3:
For this case we must find the inverse of the following function:

To do this, we follow the steps below:
We change y for
:

We exchange variables:

We clear the value of the variable "y":

We change y for
:

Answer:

ok so u need to find the gcd and then subtract.