Let f(x)=13x+7. Find f−1(x).
replace f(x) with yswitch x andn ysolve for yreplace y with f⁻¹(x)f(x)=13x+7y=13x+7x=13y+7x-7=13y\(y= \frac{x-7}{13}\)\(f^{-1}(x)= \frac{x-7}{13}\)
