Предмет: Алгебра, автор: duzcuzeynep99

помогите тупому человеку, 26.3 и 26.4
даю 20 балов​

Приложения:

Ответы

Автор ответа: vikkuuulya
1
Ответ в прикрепленном фото

vikkuuulya: 1)
f(-4)=3,5
f(-2,5)=2
f(0,5)=0
f(2)=0,5
vikkuuulya: 2)
f(x)=2,5 ; x= -3,5
f(x)=1 ; x=1 и -2
f(x)=0 ; x=-0,5 и 0,5 и 2,5 и 3,5
duzcuzeynep99: мне нужно 3, это я и сама сделать смогла
duzcuzeynep99: 4 и 5 тоже сделала
vikkuuulya: 3)
Область определения [-4;4,5]
Область значений [-0,5;3,5]
duzcuzeynep99: спасибо, а в 26.4
vikkuuulya: 26.4
1) принадлежит
2) не принадлежит
3) принадлежит
4) не принадлежит
duzcuzeynep99: спасибо огромное)
vikkuuulya: ))
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