Question

What is the inverse of the function f(x)=19/x3

Answer 1

f-1(x) = ∛(19/x).

Explanation:

Let y = 19/x^3

y x^3 = 19

x^3 = 19/y

x = ∛(19/y)

The inverse is therefore

f-1(x) = ∛(19/x).