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Write each set in the indicated form.
If you need to use "..." to indicate a pattern, make sure to list at least the first four elements of the set.
(a) Set-builder form: (x|x is a natural number and 20 :0
(b) Roster form: (2, 3, 4, 5, ...)
Set-builder form: (Choose one)
Roster form:
X
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