Let , and be a relation from to…

MATHEMATICS · Multi-part · CBSE · Mathematics · Relations and Functions · Relations and Functions

Problem

Let

A=\{1,2\}

B=\{3,4,5\}

and

R=\{(1,3),(2,3)\}

be a relation from

A

B

. (i) Write the domain, range and codomain of

R

. (ii) State why, in this case, the range is a proper subset of the codomain.