Write each set in the indicated form.

If you need to use "...

" to indicate a pattern, make sure to list at least four elements of the set.

As you answer below, remember that the natural numbers are just the counting numbers. This means that

0

is not a natural number, and negative numbers are not natural numbers either.

(a)Roster form:

{6,8,10,12...}

What is the Descriptive form?

(b)Descriptive form: The set of natural numbers greater than or equal to4

and less than or equal to7

.

What is the roster form?