Question

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, 7, 8}

descriptive form: select

(b) descriptive form: the set of odd natural numbers.

roster form:

Explanation:

Step1: Match roster to description

The roster $\{6,7,8\}$ contains all natural numbers starting at 6 and ending at 8.

Step2: Convert description to roster

Odd natural numbers start at 1, increment by 2. List 4+ elements: $\{1, 3, 5, 7, ...\}$

Answer:

(a) The set of natural numbers from 6 to 8 inclusive
(b) $\{1, 3, 5, 7, ...\}$