WAEC - Mathematics (2017 - No. 5)
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 = \(\varnothing\)
iii only
i and ii
ii and iii only
i, ii and iii
Explicació
M = {3, 4, 5, 6, 7,}, N = {9, 10, 11, 12}