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If M = {x : 3 (leq)  x

If M = {x : 3 (leq)  x < 8} and N = {x : 8 <  x (leq) 12}, which of the following is true?

i. 8 (in) M (cap) N

ii. 8 (in) M (cup) N

iii. M (cap) N = (varnothing)

  • A.
    iii only
  • B.
    i and ii
  • C.
    ii and iii only
  • D.
    i, ii and iii
Correct Answer: Option A
Explanation

M = {3, 4, 5, 6, 7,}, N = {9, 10, 11, 12}