Question

repede va rogggg!!!!​

Answer 1

Răspuns:

Explicație pas cu pas:

1)

N={ 0,1 }

-

2)

-7x+3≥17

-7x≥17-3

-7x≥14

-x≥ 14/-7

-x≥-2 l *(-1)

x≥ 2

x∈( -∞,2 )

Answer 2

$\it1.\ \ \ \mathbb{N} \cap\{-1,\ 0,\ 1\}=\{0,\ 1\}\\ \\ \\ 2.\ \ \ -7x+3\geq17\bigg|_{-3} \Rightarrow-7x\geq14\bigg|_{:(-7)} \Rightarrow x\leq-2 \Rightarrow S=(-\infty,\ \ -2]$