Question Number 211405 by ricellanndegamo last updated on 08/Sep/24
Commented by Frix last updated on 08/Sep/24
$${f}\left({x}\right)=\mathrm{3}^{−{x}} −\mathrm{2} \\ $$$${f}\left(−\mathrm{2}\right)=\mathrm{3}^{\mathrm{2}} −\mathrm{2}=\mathrm{7} \\ $$