MATHEMATICS · Single correct · CBSE · Mathematics · Relations and Functions · Relations and Functions
Problem
If f:R→R is a function such that f(x)={x∣x∣−4,x∣x∣−3,x∈Qx∈/Q, then f(x) is
(a) one-one, onto
(b) many-one, onto
(c) one-one, into
(d) many-one, into