Question

Select the statements that are true based on the following given information.
D = {x | x is a whole number}
E = {x | x is a perfect square < 36}
F = {x | x is an even number between 20 and 30}
1.The expression DE = E.
2.E(D∩F) is {25}.
3.FD
4.(E∩F) is the empty set.
5.Set E is infinite.

Answer 1

please use symbol for 1,3 .

Answer 2

1.The expression D\[\cup\]E = E.

Answer 3

3.F\[\subset\]D

Answer 4

ans. 3

Answer 5

any other ones

Answer 6

1.The expression DE = E. true
2.E(D∩F) is {25}. also true
4.(E∩F) is the empty set. True

Answer 7

4 is also true

Answer 8

what is other symbol in 2.