Is that the whole question ?
Answer:
Correct choice is 
Step-by-step explanation:
1. If
then you can find the inverse 

2. If
then

3. Hence,

Enter the amplitude of the function f(x). f(x)=-2sin(3x)-1 . 2. See answers. Log in to add comment. Answer. Answer. 5.0/5. 5.0/5.