Question

Find the inverse of the function.

f(x) = x3 - 3

Answer 1

to find the inverse, let f(x) = y.

y = x^3 - 3

now swap x and y.

x = y^3 - 3

then put it back in the form y = f(x)

y^3 = 3 + x
\[y = \sqrt[3]{3 + x} = f^{-1}(x)\]

Answer 2

thanks ya!