Предмет: Алгебра, автор: lugansk1

Какова область определение функции?
а) y=7/x-4; б)y=-x/5;
в)y=7x+6; г)y=3/x²+1
помогите пожалуйста

Ответы

Автор ответа: Norive

0

y=7/(x-4); D(f)=(-~;4)u(4;+~)
y=-x/5; D(f)=R
y=7x+6; D(f)=R
y=3/(x^2+1); D(f)=R

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