Let and let be a function from A to B

MATHEMATICS · Subjective · CBSE · Mathematics · Relations and Functions · Relations and Functions

Problem

6. Let

\mathrm{A}=\{1,2,3\}, \mathrm{B}=\{4,5,6,7\}

and let

f=\{(1,4),(2,5),(3,6)\}

be a function from A to B . Show that

f

is one-one.