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Let f(x)={2x+1x<3x2−2x≥3f(x) = \begin{cases} 2x + 1 & x < 3 \\ x^2 - 2 & x \geq 3 \end{cases}. Compute lim⁡x→3−f(x)\lim_{x \to 3^-} f(x).
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