Find the inverse of the function.

Question

f(x) = x3 + 8

Answer 1

Given
f(x)=x²+8
Put it as
y=x²+8
invert x and y:
x=y²+8
Solve for y:
y²=(x-8)
y=√(x-8)

If the question is f(x)=x³+8, you can proceed similarly.