If is a function such that

MATHEMATICS · Single correct · CBSE · Mathematics · Relations and Functions · Relations and Functions

Problem

If f:R→Rf:\mathbb{R}\to\mathbb{R} is a function such that f(x)={x∣x∣−4,x∈Qx∣x∣−3,x∉Qf(x)=\begin{cases}x|x|-4, & x\in\mathbb{Q}\\x|x|-\sqrt{3}, & x\notin\mathbb{Q}\end{cases}, then f(x)f(x) is (a) one-one, onto (b) many-one, onto (c) one-one, into (d) many-one, into

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