what is the inverse of f(x)= 8/27x^3
f(x) = ⁸/₂₇ₓ₃ y = ⁸/₂₇ₓ₃ x = 8/27y³27xy³ = 8 y³ = ⁸/₂₇ₓ y = 2∛x/3x f⁻¹(x) = 2∛x/3x