Question

Identify the inverse of f(x) = −1 + x^3. Determine whether it is a function and state its domain and range

Answer 1

y=
`\sqrt[3]{x-1}`

Explanation:

y=x^3-1

Switch y and x

x=y^3-1

Solve for y

x-1=y^3

y=
`\sqrt[3]{x-1}`