Question

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

Answer 1

Y = f (x) = 19 / x^3 and g (y) = x 
g is inverse of f 

x^3 = 19 / y 
x = [ 19 / y ]^(1/3) 
g (y) = [ 19 / y ]^(1/3) 
g (x) = [ 19 / x ]^(1/3)________inverse function.