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Questions  >>  CBSE XII  >>  Math  >>  Relations and Functions
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Let $f:R \rightarrow R$ be defined by $ f(x)=\left \{ \begin{array}{1 1} 2x:x>3\\x^2:1<1x\leq 3\\ 3x:x\leq1\end{array} \right.$ $Then\;f(-1)+f(2)+f(4)\;is$

\begin{array}{1 1}(A)\;9 & (B)\;14\\(C)\;5 & (D)\;none\;of\;these\end{array}

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