Помогите даю 60 баллов Номер 640 пример 3. Created by dkarelov133. algebra-ru

Помогите даю 60 баллов Номер 640 пример 3...

dkarelov133 @dkarelov133

September 2021 1 14 Report

Помогите даю 60 баллов
Номер 640 пример 3

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sangers1959

Verified answer

Объяснение:

$>Ответ: ymin=2.<img src=$

Ответ: ymax=4.

$3)\ y=-3x^2+7x\\a=-3$

Ответ: ymax=4¹/₁₂.

$4)\ y=3x^2+4x+5\\a=3>0\ \ \ \ \Rightarrow\\y_{min}=y'=(3x^2+4x+5)'=0\\6x+4=0\\6x=-4\ |:6\\x_{min}=-\frac{2}{3} \\y_{min}=3*(-\frac{2}{3})^2+4*(-\frac{2}{3})+5=3*\frac{4}{9} - \frac{8}{3}+5=\frac{4}{3} -\frac{8}{3}+5=5-\frac{4}{3}=3\frac{2}{3} .$

Ответ: ymin=3²/₃.

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Verified answer

pomogite pozhalujsta dayu 100 ballov reshit nuzhno srochno v parallelogramme avsd na

pomogite pozhalujsta dayu 100 ballov reshit nuzhno srochno v ravnobedrennoj trapecii

dayu 50 ballov zadanie na fotof0720c151aa1a35900952ec5298c0afa 26287

pomogite pozhalujsta dayu 35 ballov pod cifroj 4zhelatelno reshenie cherez diskrimin

napishite esse na temu ya otkryl dlya sebya v shushkina dayu 40 ballov

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