This video lecture from Sets, Functions and Groups (F.Sc. First year Mathematics) covers: Question numbers 1-3 of exercise 2.6. In these questions we find the given relations in A, determine which of the given diagrams represent functions and of which type. Find more e-learning material and educational video lectures in Urdu at maktab.pk. These videos are free to use for promotional and commercial purpose by keeping the credits to Maktab.