Question

F(x)=3x-6 how do I figure this out

Answer 1

Replace f(x) into y
3x-6
x=3y-6
y=2+x/3
solve for y and replace f ^-1 (x)
f^-1(x)=2+x/3

hope this helps

 

Answer 2

F(x) = 3x-6
add 6 to each side
6=3x
dived each side by 3
2=x