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The graph of $f(x)$ is shown in the figure below.

Which of the following statements about $f(x)$ is true?

$\lim\limits_{x \to a} f(x) = \lim\limits_{x \to b} f(x)$

$\lim\limits_{x \to b} f(x) = 3$

$\lim\limits_{x \to a} f(x) = 2$

$\lim\limits_{x \to a} f(x)$ does not exist.