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Mathematics 38 Online
OpenStudy (anonymous):

In Exercises 19–22, express each set in set-builder notation. 19. Set A is the set of natural numbers between 52 and 100. A = {n |52 < n <100} means the same as the statement above A is a set such that the set of natural numbers, n, is between 52 and 100. 20. Set B is the set of natural numbers greater than 42. B= {X l X>42 n X e N} where e means "element of" 22. Set D is the set of natural numbers between 27 and 51, inclusive. The natural numbers are the counting numbers starting at 1 onward to infinity. D = [the counting numbers from 27 to 51, inclusive}

OpenStudy (amistre64):

1more? this loks more like 3 :)

OpenStudy (amistre64):

depending on how finicky they want to be; you might need to include \[n \in N\]

OpenStudy (anonymous):

well i only needed to do just the number 20 but i did all so if u can tell me if the number 20 is good

OpenStudy (amistre64):

im not sure how the grader would approve, but my notion would be similar, just written differently\[B= \{n \in N\ |\ n>42\} \]

OpenStudy (amistre64):

http://www.mathsisfun.com/sets/set-builder-notation.html there is an example of this here

OpenStudy (anonymous):

ok

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