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Mathematics 16 Online
OpenStudy (anonymous):

https://media.glynlyon.com/g_geo_2013/1/m80130a.gif

OpenStudy (anonymous):

Which of the following sets represents M∪N? {2, 5, 8} {4, 7} {3, 4, 6, 7, 9} {3, 6, 9}

Directrix (directrix):

All elements inside the circle for M and then all elements inside the circle for N. If there is an element of M that is also an element of N, put it in the M union N set only once.

OpenStudy (anonymous):

so its {3,6,9}?

OpenStudy (anonymous):

so its }3,6,9}? Directrix ?

Directrix (directrix):

>>so its }3,6,9}? No. Include those elements that are in both sets. Do you see them in the overlap?

Directrix (directrix):

@davidak

Directrix (directrix):

>>so its }3,6,9}? No. You are missing elements that should be in the union. Try again.

OpenStudy (anonymous):

34679?

Directrix (directrix):

{3,4,6,7,9}

OpenStudy (anonymous):

thank you sir!

Directrix (directrix):

You are welcome.

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