Предмет: Алгебра, автор: niko8885

Помогите!Что такое точки перемены знака?Объясните, на примере : y=3x+1

Ответы

Автор ответа: МудрыйЕвреюшка
0
Точки перемены знака - это как раз-таки нули функции. То есть границы знакопостоянства функции
для этой функции это 
3x+1=0
x=-1/3 - точка перемены знака
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1 He _______________ from Berlin.
2 My friend _______________ married. He’s single.
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5 They _______________ Finnish.


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17 _______________ is your name?
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20 _______________ is she? She’s 13.


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24 Japan
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36 Surname: _______________
37 Nationality: _______________
38 Occupation: _______________
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My name is James Malone. I’m from England. I’m a bank clerk. I live in Manchester. You can contact me on 564 7738, or at [email protected]

First Name: James
36 Surname: _______________
37 Nationality: _______________
38 Occupation: _______________
39 Telephone: _______________
40 Email: _______________
READING
Read about James and complete the form
My name is James Malone. I’m from England. I’m a bank clerk. I live in Manchester. You can contact me on 564 7738, or at [email protected]

First Name: James
36 Surname: _______________
37 Nationality: _______________
38 Occupation: _______________
39 Telephone: _______________
40 Email: _______________