This video lecture from Sets, Functions and Groups (F.Sc. first year Mathematics) covers: detailed discussion on different types of functions like into function, onto function, one to one and into function, one to one and onto function, set builder notation for a function, linear and quadratic functions, inverse of a function etc. 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.