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}