43rd B.P.S.C. (Pre) 1999
If $f: \{x, y, z\} \rightarrow \{a, b\}$, is defined by $f = \{(x, a), (y, b)\}$ then $f$— (485) General Studies ## Page 34 CLICK HERE - JOIN @APNAPDFS
ais a unitary function
bis not a function
cis an interpolative function✓ Correct
dis an empty set
Explanation
$f : \{x, y, z\} \to \{a, b\}, f = \{(x - a), (y, b)\}$, then $f$ is an interpolative function
general-mental-ability
