Question Number 157940 by HongKing last updated on 30/Oct/21
Commented by MJS_new last updated on 31/Oct/21
$$\mathrm{what}\:\mathrm{does}\:``\mathrm{single}\:\mathrm{function}''\:\mathrm{mean}? \\ $$
Commented by HongKing last updated on 31/Oct/21
$$\mathrm{odd}\:\mathrm{function},\:\mathrm{dear}\:\boldsymbol{\mathrm{S}}\mathrm{er} \\ $$
Commented by MJS_new last updated on 31/Oct/21
$${f}\left({x}\right)\:\mathrm{is}\:\mathrm{odd}\:\Leftrightarrow\:−{f}\left({x}\right)={f}\left(−{x}\right)\:\forall{x}\in\mathbb{R} \\ $$$$\Rightarrow \\ $$$${p}=\mathrm{0}\wedge{q}=−\mathrm{4} \\ $$$${f}\left({x}\right)=\mathrm{2}{x} \\ $$