Ononot — Let X and Y be independent with E[X] = 3, E[Y] = 4, Var(X) =

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Let $X$ and $Y$ be independent with $E[X] = 3$ , $E[Y] = 4$ , $Var(X) = 1$ , $Var(Y) = 1$ . What is $Var(3X - 2Y)$ ?