Question Number 57024 by pete last updated on 29/Mar/19
$$\mathrm{If}\:\mathrm{f}\left(\mathrm{x}−\mathrm{1}\right)=\mathrm{2x}^{\mathrm{3}} −\mathrm{3x}^{\mathrm{2}} +\mathrm{7x}+\mathrm{10}.\:\mathrm{Find}\:\mathrm{f}\left(\mathrm{3}\right). \\ $$
Commented by Joel578 last updated on 29/Mar/19
$${f}\left(\mathrm{3}\right)\:=\:{f}\left(\mathrm{4}\:−\:\mathrm{1}\right)\:=\:\mathrm{2}\left(\mathrm{4}^{\mathrm{3}} \right)\:−\:\mathrm{3}\left(\mathrm{4}^{\mathrm{2}} \right)\:+\:\mathrm{7}\left(\mathrm{4}\right)\:+\:\mathrm{10} \\ $$