Answer:
see explanation
Step-by-step explanation:
let y = f(x), then
y = 11x - 1
Interchange x and y and solve for y
x = 11y - 1 ( add 1 to both sides )
x + 1 = 11y ( divide both sides by 11 )
y = [tex]\frac{x+1}{11}[/tex], hence
[tex]f^{-1}[/tex](x) = [tex]\frac{x+1}{11}[/tex]
