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
$$ \lim _{x \rightarrow 0.5} f(x)=1.5. $$
