Real-valued function f: R -> R - domain, codomain, graph — IITM BS previous year questions

Real-valued function f: R -> R - domain, codomain, graph is part of Function of One Variable - Review and Graphs, Week 7 in Mathematics 1. Prasnya files every IIT Madras BS previous year question from this subtopic here, each one with a worked explanation. Take the whole set as a timed mock and you get accuracy, pacing and per-question analysis back.