Question

Let A = {x | x < 5} and B = {x | x ≤ 7}.

Find A U B.

{x | x < 5}
{x | x ≤ 5}
{x | x ≤ 7}
{x | 5 < x ≤ 7}

Answer 1

you need to find the numbers that belong to A set OR B set.

so they will be less than 5 OR less or equal to 7

Answer 2

Let me give you an example. Let's say
A = {1, 2, 3} and B = {5, 7, 9}
A U B = {1, 2, 3, 5, 7, 9}
Which is all the numbers that includes both A and B

Answer 3

C?

Answer 4

yes C

Answer 5

thanks

Answer 6

np :)

Answer 7

cool