which one is not a half-open interval?
(2,5]
[3,5)
(-1,1)
[0,∞)
A=❴x: -2≤x<3, x∈R❵ Which one is the interval notation of the above set?
(-2,3)
[-2,3)
[-2,3]
(-2,3]
What is the sum of all integers included in the interval (-3,4)
3
A=[0,3) Which set is A'?
(0,3]
(-∞,3] ∪ [3,∞)
(-∞,0) ∪ [3,∞)
(-∞,0] ∪ (3,∞)
A=(-2,3] B=(1,5) Which set is A∪B?
[-2,5]
(-2,5]
[-2,5)
(-2,5)
A=[1,5] B=(3,7] Which set is A∩B ?
[1,3]
(3,5]
(3,5)
[3,5]
A= (-∞,1] B=(1,∞) Which set is A∪B ?
{1}
R
(-1,2)
∅
K=[-1,∞) M=(-∞,-1] Which set is K∩M?
[-1,1]
R
∅
{-1}
A=(-6,8] B=[-3,10) Which set is A-B ?
[-6,-3)
[-6,-3]
(-6,-3)
(-6,3]
