Предмет: Математика, автор: nazipova97

найти промежутки возрастания и убывания, точки экстремума и экстремумы ф-ции а)у=6х²-4х³

Ответы

Автор ответа: mailforazi
0
y=6x^2-4x^3 \  \ y'=12x-12x^2 \  \ 12x-12x^2=0 \ 12x(1-x)=0 \  \ x_1=0 \ x_2=1
 
 12x-12x²         -            +              -           
                 -----------|-------------|--------------->x
                            0            1
ф-я убывает на промежутках: x∈(-infty;0)U(1;+infty)
ф-я возрастает на промежутке: x∈(0;1)

y(0) = 0
y(1) = 2

Точка (0;0) - точка минимума
Точка (1;2) - точка максимума
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