Let the function $f$ be defined by the equation $f(x) = \begin{cases} 3x & \text{if } 0 \le x \le 1 \\ 5 - 3x & \text{if } 1 < x \le 2 \end{cases}$,then:
- A$\lim_{x \to 1} f(x) = f(1)$
- B$\lim_{x \to 1} f(x) = 3$
- C$\lim_{x \to 1} f(x) = 2$
- D$\lim_{x \to 1} f(x)$ does not exist
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