Question Number 171009 by Mastermind last updated on 06/Jun/22
$${Find}\:{the}\:{inverse},\:{y}^{−\mathrm{1}} \:{of}\:{the}\:{function} \\ $$$${y}={x}^{\mathrm{3}} +\mathrm{4}. \\ $$$$ \\ $$$${Mastermind} \\ $$
Answered by a.lgnaoui last updated on 06/Jun/22
$${x}^{\mathrm{3}} ={y}−\mathrm{4} \\ $$$${x}=^{\mathrm{3}} \sqrt{{y}−\mathrm{4}}\:\:\:\Rightarrow{f}^{−\mathrm{1}} \left({x}\right)=^{\mathrm{3}} \sqrt{{x}−\mathrm{4}} \\ $$$$ \\ $$