MATHEMATICS · Subjective · CBSE · Mathematics · Relations and Functions · Relations and Functions
Problem
The seats in a cinema hall are numbered 1 to 180. Each seat number is associated with exactly one of three price categories: ₹120, ₹150, or ₹200. Decide whether the relation R={(seat number, price)} from the set of seat numbers to the set of price categories is a function. Give a brief reason for your answer.