Question

Write the following intervals in set-builder form: (a) [6, 12] (b) (-23,5].​

Answer 1

Answer:

The given intervals can be written in set builder form as

(ii) [6 , 12] = \left \{ x:x\in R, 6\leq x\leq 12\right \}

(iv) [–23, 5)= \left \{ x:x\in R, -23 \leq x< 5\right \}