Answer
$$ \lim _{x \rightarrow 0.5} f(x)=1.5. $$
Work Step by Step
According to the figure, we note that when x approaches 0.5 from the left or from the right, then f(x) approaches $1.5$. Hence, we have $$ \lim _{x \rightarrow 0.5} f(x)=1.5. $$
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