Answer:
[tex]f^{-1}(y)=(y+4)^3[/tex]
Step-by-step explanation:
f(x) = 4 -x^1/3
y = 4 - x^1/3
y + 4 = x^1/3
raise both sides to a power of 3
(y+4)^3 = x
x = (y+4)^3
[tex]f^{-1}[/tex](y)= (y+4)^3