Question

Find A ∩ (B U ; C).

A = {1, 2, 4, 8}
B = {2, 5, 8}
C = {2, 4, 8}

{2, 4, 8}

{ }

{1, 2, 4, 5, 8}

{2, 8}

Answer 1

okay tell me the elements of the set B U C

Answer 2

2,4,5,8

Answer 3

great!!! now what elements are common between A and this set??

Answer 4

2,8

Answer 5

uh huh you misd the 4!!

Answer 6

sorry I thought I wrote that.

Answer 7

can you help me with another problem?

Answer 8

sure but did you get the answer?

Answer 9

the answer is 2,4,8 correct?

Answer 10

yup!!

Answer 11

thanks.

Answer 12

If f = {(1, 2), (2, 3), (3, 4), (5, 6), (6, 7)}, what is the range?



{1, 2, 3, 5, 6}

all whole numbers

{2, 3, 4, 6, 7}

{1, 2, 3, 4, 5}

Answer 13

the range are the numbers after the comma!!

Answer 14

2,3,4,6,7

Answer 15

perfect!