Question Number 138474 by henderson last updated on 14/Apr/21
![hi ! find x such that : ∀ y ∈ [0,1], x ≥ y ⇒ x ≥ 2y.](Q138474.png)
$$\boldsymbol{\mathrm{hi}}\:!\: \\ $$$$\boldsymbol{\mathrm{find}}\:{x}\:\boldsymbol{\mathrm{such}}\:\boldsymbol{\mathrm{that}}\::\:\forall\:{y}\:\in\:\left[\mathrm{0},\mathrm{1}\right],\:{x}\:\geqslant\:{y}\:\Rightarrow\:{x}\:\geqslant\:\mathrm{2}{y}. \\ $$