Question

30 POINTS smart people only

Answer 1

Yes you're right.
The way to find out if functions are inverses of each other is to check and see if their composite functions are equal to x. Also make sure the functions are one to one functions.
(fog)(x)=f(g(x))=f(3/2x-9)
f(3/2x-9)=2/3(3/2x-9)+6
=(2/3)(3/2)x+(2/3)(-9/1)+6
=x-18/3+6
=x-6+6
I hope this helped! #Sobangcha