10. (1 point)
(a) The sets A and B are such that A| = 10, |B||
AnB| = 0.
Then AUB is.
(b) The sets C and D are such that |C| = 9, |D| = 4, and
|CnD| = 2.
Then CUD is, and |C — D| is _
(c) The sets E and F are such that |E| = 16, |F| = 22, and
|EUF = 34.
Then EnF is.
Answer(s) submitted:
and A - B is.
and |E – F| is—
= 2, and
Fig: 1