1
Question
Write each of the following intervals in the set-builder from:
(i) A=(2,5)
(ii) B=[-4,7]
(iii) C=[-8,0)
(iv) D= (5,9]
Write each of the following intervals in the set-builder from:
(i) A=(2,5)
(ii) B=[-4,7]
(iii) C=[-8,0)
(iv) D= (5,9]
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Solution
We have
(i) A=(2,5)={x:xϵR,2<x<5}
(ii) B=[−4,7]={x:xϵR,−4≤x≤7}
(iii) C=[−8,0)={x:xϵR,−8≤x<0}
(iv) D=(5,9]={x:xϵR,5<x≤9}
We have
(i) A=(2,5)={x:xϵR,2<x<5}
(ii) B=[−4,7]={x:xϵR,−4≤x≤7}
(iii) C=[−8,0)={x:xϵR,−8≤x<0}
(iv) D=(5,9]={x:xϵR,5<x≤9}
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