A school records a relation that pairs each student with every elective subject he or…
MATHEMATICS · Single correct · CBSE · Mathematics · Relations and Functions · Relations and Functions
Problem
A school records a relation that pairs each student with every elective subject he or she has chosen. Taking the set of students as the domain and the set of elective subjects as the co-domain, which statement best explains why this relation is NOT a function?
(a) Some students are not enrolled in any elective subject.
(b) Different students may choose the same elective subject.
(c) A student can be associated with more than one elective subject.
(d) The names of the subjects are not numerical quantities.