Question

Write the following as intervals

i.{x:x ∈ R, -5< x ≤10}

ii.{x:x ∈ R, 0 ≤ x ≤7 }

iii.{x:x ∈ R, -21 <x<-7}​

Answer 1

i) ( -5 , 10]

ii [0 , 7]

iii [ -27 , -7 )

Answer 2

Answer:

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