Question

Given the sets

Exam Image

Exam Image

Exam Image

Determine the set ( Ac ∪ B )c.

Answer 1

exam image not quite what you need her

Answer 2

(1,2,3,4,5,6,7,8,9,10,11,12,13,14,15)
A= (1,2,6,7,8,10)
B=(2,3,4,8,9,12,15)

Answer 3

you gotta take it step by step
first find \(A^c\)

Answer 4

last part - Determine the set ( Ac ∪ B )c.

I am not sure how to do these -

Answer 5

find \(A^c\) first

Answer 6

how do I do that?

Answer 7

make a list of all numbers in (1,2,3,4,5,6,7,8,9,10,11,12,13,14,15) that are not in
A= (1,2,6,7,8,10)

Answer 8

there are a bunch of them

Answer 9

3,4,5,9,11,12,13,14,15

Answer 10

ok now add to that all things in B=(2,3,4,8,9,12,15) to get \[A^c\cup B\]

Answer 11

don't list anything twice though

Answer 12

does the c in A mean to exclude everything that is in A to the given set?

2,3,4,8,9,11,12,13,14,15 ? would that be my answer?

Answer 13

I forgot 5

Answer 14

was my answer right?