Answer:
[tex]\sqrt[3]{x-8}[/tex]
Step-by-step explanation:
y-8 = x^3
// -8 on both sides
[tex]\sqrt[3]{y-8}[/tex] = x
// cube root both sides
// then just switch x and y
[tex]f^{-1}(x)=\sqrt[3]{x-8}}[/tex]
