Please show all work.

4. Let A = {a, b, c, d, e}, B = {a, b, e}, and C = {d, e, f}.

5. Let A, B, and C be as in #4 and let U = {a, b, c, d, e, f, g}.

Determine: a. A B

b. A C

c. A B

d. A C

e. A-B

f. A-C

g. B-A

h. C-A

i. A^C

j. B C