This video lecture from Functions and Limits (F.Sc. second year Mathematics) covers: Introduction part-1 of chapter 1, it includes a detailed discussion on functions with daily life examples. It also includes domain and range of functions, graphical representation of functions and vertical line test of functions. 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.