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  3. 4) let ? = {2, 3, 5, 7}, ? = {3, 5, 7}, ? =...

4) Let ? = {2, 3, 5, 7}, ? = {3, 5, 7}, ? =...

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Advance Math

4) Let ? = {2, 3, 5, 7}, ? = {3, 5, 7}, ? = {1, 7}. Answer thefollowing questions, giving reasons for your answers.

a) Is ? ? ??

b)Is ? ? ??

c) Is ? ? ??

d) Is ? ? ??

e) Is ? ? ??

5) Let ? = {1, 3, 4} and ? = {2, 3, 6}. Use set-roster notationto write each of the following sets, and indicate the number ofelements in each set.

a) ? × ?

b) ? × ?

c) ? × ?

d) ? × ?

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