Question

In: Advanced Math

4) Let ? = {2, 3, 5, 7}, ? = {3, 5, 7}, ? = {1,...

4) Let ? = {2, 3, 5, 7}, ? = {3, 5, 7}, ? = {1, 7}. Answer the following 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 notation to write each of the following sets, and indicate the number of elements in each set.

a) ? × ?

b) ? × ?

c) ? × ?

d) ? × ?

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