Question Detail

MTH 101 Set Theory Objective Question

Take CBT

If A = {x ∈ Z : 0 < x < 15} and B = {x ∈ Z : -3 < x < 10}, find A − B.

A {10,11,12,13,14}

Correct Answer

B {1,2,3}

C {1,2,3,4}

D {9,10,11}

Option A is the correct answer.

A = {1..14}, B = {-2..9}. Removing B elements from A leaves {10..14}.

Write out both sets fully.

Course: MTH 101

Topic: Set Theory

Type: Objective

Difficulty: Not specified