Answer
$\lim\limits_{x\to3^-}f(x)=\dfrac{5}{2}.$
Work Step by Step
$\lim\limits_{x\to3^-}f(x)=\lim\limits_{x\to3^-}\dfrac{x+2}{2}=\dfrac{3+2}{2}=\dfrac{5}{2}.$
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