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

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Answer 1 · 2017-01-12T05:54:38

$f^-1(x)=root3(19/x$

let say $f(x) = y$ , then
the inverse function, $x =f^-1(y)$

$f(x)=19/x^3$
$y=19/x^3$
$x^3=19/y$
$x=root3(19/y$

$x =f^-1(y)=root3(19/y$
$f^-1(y)=root3(19/y$ , then
$f^-1(x)=root3(19/x$

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