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write a set that represents the first four positive, odd numbers

writing a set

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Brian B. | Making Math Matter...and Easy to Understand! Making Math Matter...and Easy to Underst...
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Let n= the first positive odd number

If n is odd the next odd is two away, such as 5 is odd and the next odd is 7, therefore the set would be {n, n+2, n+4, n+6} for the first four odds.