Question

write the following intervals in set-builder form.
(-3,0 ) , (6,12) ,[612], (-23,5) .
​

Answer 1

Answer:

i) (−3,0)={x:xϵR,−3<x<0}

(ii) [6,12]={x:xϵR,6≤x≤12}

(iii) (6,12]={x:xϵR,6<x≤12}

(iv) [−23,5)={x:xϵR,−23≤x<5}

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Answer 2

Answer:

The given intervals can be written in set builder form as :

(i) (– 3, 0)

(ii) [6 , 12]

(iii) (6, 12]

(iv) [–23, 5)