Consider Set A = { 1, 4, 6, 7 }

B = { 1, 4 }

C = { 4 , 7}

D = { 7, 8, 9 }

a) What is ( A U B ) =

b) What is ( A intersection B ) =

c) What is A \ B ?

d) What is ( A intersection B intersection C )

e) Is ( A intersection C ) = C ?

f) Is ( B intersection C ) subset of A ?

g) What is B \ C ?

h) What is C \ A ?

i) What is A \ ( B U C )

j) What is the power set of A ?

k) List the elements of the set

E = { x | x > 0 and x < 10 }