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) descriptive form: the set of odd natural numbers greater than or equal to 5 and less than or equal to 11.
roster form:
(b) roster form: {3, 4, 5, 6, ...}
descriptive form: select

Explanation:

Step1: Identify odd naturals 5-11

List numbers: $5, 7, 9, 11$

Step2: Write in roster form

$\{5, 7, 9, 11\}$

Step3: Analyze roster set {3,4,5,6,...}

Pattern: starts at 3, all larger naturals

Step4: Write descriptive form

The set of natural numbers greater than or equal to 3

Answer:

(a) $\{5, 7, 9, 11\}$
(b) The set of natural numbers greater than or equal to 3