Question

(2₀+2₁+2₂):(2₃-1)
0 1 2 sunt ridicate la putere
I{x ∈ R | -5 ≤x ≤3} este egal cu

Answer 1

(2°+2¹+2²):(2³-1)=
(1+2+4):(8-1)=
7:7=
1

1≤3

Answer 2

(2⁰+2¹ + 2²) : (2³ - 1) =
( 1 + 2 + 4) : (8 - 1) =
         7 : 7 =
            1 

- 5 ≤ x ≤ 3 
x = { -5, -4, -3, -2, -1, 0, 1, 2, 3}