If M = {x : 3 \(\leq\) x &lt; 8} and N = {x : 8 &lt; 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 = \(\varnothing\)

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 = \(\varnothing\)

The correct answer is A. iii only

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