Предмет: Алгебра, автор: Ладушка1998

Помогите,пожалуйста,решить!!!

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Ответы

Автор ответа: ShirokovP

y = 1/3*x^3 + 7/2*x^2 + 12x + 1

y' =(1/3*x^3 + 7/2*x^2 + 12x + 1) ' = x^2 + 7x + 12

y ' = 0 ==>
x^2 + 7x + 12 = 0
(x + 4)( x + 3) = 0

+ - +
------- ( - 4) ------- ( - 3) --------> x

x ∈ ( - 4 ; - 3) убывает

Ладушка1998: такого варианта нет в ответах

Ладушка1998: теперь верно) спасибо)

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A Christmas carol:
When Scrooge woke up, it was cold and da
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Carol: Part 11
d and dark. There was somcone in the
idman Its white long hair hung down the
e. "I'm the Ghost of Christmas Past," the
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at's what you think now but things used to
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u home, dear brother," said the girl. "Father
You'll never come back here; but first, we're
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"But she died and left a child, your nephew," sighed th
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Slong, and have the merriest time in all the
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croce
as į
Loo
re
he woke up, he saw a big plump man with
Present! Let me show you something!" said the spirit an
ng a long green robe. "I'm the Ghost of Christmas
were in Bob Cratchit's house -very poor and little. In the
mething!" said the spirit and the next moment they
cooking Christmas dinner. Her children were cheerfully running
every poor and little. In the kitchen Mrs Cratchit was
was Bob Cratchit's youngest son. He couldn't run because he was
was excited, too. Then Christmas dinner was ready, and everyone saldo
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