Question

Scrieti sub forma de interval multimile : a={x apartine R | -1 <x<4}
b={x apartine R| x mai mic sau egal -^3}
c={x apartine R | -5 mai  mic sau egal x mai mic sau egal 0}
d={x apartine R | x.1}
e={x aoartine R | -4 mai mic sau egal x mai mic sau egal 1 }
f={x apartine R | 0 , x mai mic sau egal 17}

Answer 1

-1<x<4
x∈(-1,4)
A={0,1,2,3}
x≤-3
x∈(-α,-3]
B={...-n,.    -100...-7,-8,-7,-6,-5,-4,-3}
-5≤x≤0
x∈[-5,0]
C={-5,-4,-3,-2,-1,0}
la d nu se intelege
-4≤x≤1
x∈[-4,1]
E={-4,-3,-2,-1,0,1}
x≤17
x∈(-α, 17]
F={...-n,.....-3,-2,-1,0,1,2,3,.....17}.