Respuesta :

906275

Answer:              -1

                         f    (x) =  ∛[19/x]

Step-by-step explanation:
1) Replace f(x) with y: y = 19/x^3
2) Interchange x and y: x = 19/y^3
3) Solve this result for y: xy^3 = 19, or y^3 = 19/x, or

The inverse is y = ∛[19/x]

Hope this helps!