Предмет: Алгебра, автор: лолита230303

Помогите пожалуйста 1,3,4,5 задания

Приложения:

Ответы

Автор ответа: valyshock6

1) f(-2)=2(3+2)
f(-2)=10
3)подставляем координаты вместо x и y: -5/7*7/10=-1/2
Ответ: нет, так как координата y не совпала
4)приравниваем выражения, перемножаем по диагонали: 5*(2x-7)=3*(3x+2)
10x-35=9x+6
10x-9x-35-6=0
x-41=0
x=41
Ответ:41

Автор ответа: Whisper815

3 задание проходит и не проходит

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