Question

f(x)=9x-8
f^-1(x)=?

Answer 1

9x-1/8

Answer 2

switch x and y places. gives x=9y-8
solve

Answer 3

like solving
\[9x-8=12\] for x
add 8, divide by 9

Answer 4

so your inverse should look like
\[f^{-1}(x)=\frac{x+8}{9}\]

Answer 5

@satellite73 so f^1(x) is in fact x = stuffs?