Question

1. U = {1, 2, 3, 4, 5, 6}, A = {x: x is a
natural number less than 5} :
a) Write A in roster form.
b) If B C U such that A - B = {2,4},
write B.
(1)
c) Find A UB.​

Answer 1

Answer:

a) A= (1,2,3,4) (consider it a curly bracket)

Answer 2

a)a set is the collection of natural number less than 5 b){1,3}

EXPLANATION:

b)

A{1,2,3,4} B{1,3}

A-B={1,3}