1) Consider the sets A = {1,a,3}, B = {1,b,2,d}, C = {0, 1, 7}.

What is the value of (A B) C ?

a) {1,a,3}

b) {1}

c) {a,3,b,2,d,0,7}

d) {0,1,7}

2) Consider the sets A = {1,a,3}, B = {1,b,2,d}, C = {0, 1, 7}.

What is the value of A (B C)?

a) {1}

b) {1,a,3}

c) {1,a,3,b,2,d,0,7}

d) {a,3}

3) True or False:

Consider the sets A = {1,a,3}, B = {1,b,2,d}, C = {0, 1, 7}.

A =

4) Consider the sets A = {1,a,3}, B = {1,b,2,d}, C = {0, 1, 7}. What is the value of A B C?

a) {a,3,b,2,d,0,7}

b) {1,a,3,b,2,d,0,7}

c) {1,a,3,1,b,2,d,0,1,7}

d) None of the above

5) Consider the sets A = {1,a,3}, B = {1,b,2,d}, C = {0, 1, 7}. What is the value of A B?

Choose the best answer.

a) {1,a,3,1,b,2,d)

b) {1,a,3,b,2,d}

c) {1}

d) None of the above