Question

In Exercises 19–22, express each set in set-builder notation.

19.
Set A is the set of natural numbers between 52 and 100.
20.
Set B is the set of natural numbers greater than 42.
22.
Set D is the set of natural numbers between 27 and 51, inclusive.

can someone help me and i dont get it

Answer 1

is there any one that can help me with this

Answer 2

You don't have the definition of set builder notation in your book?

Answer 3

i do i just dont get it i fell lost

Answer 4

For the first one:
A = {n |52 < n <100} means the same as the statement above

A is a set such that the set of natural numbers, n, is between 52 and 100.

Answer 5

ok

Answer 6

what do i do from there

Answer 7

Do the rest of them the same way

Answer 8

so B= {X l X>42 n X e N} where e means "element of"

Answer 9

D = [the counting numbers from 27 to 51, inclusive}

Answer 10

i hope i did good