Question

What is the inverse of the function f(x)=19/x^3?

Answer 1

Answer: -1

f (x) = ∛[19/x]

Explanation:

Answer 2

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!