3. Let $f(x) = \begin{cases} 4 - x, & x \neq 1 \\ 0, & x = 1 \end{cases}$. Determine the following limit (if it exists) from the graph. $\lim_{x \to 1} f(x)$
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Step 1: The graph shows that as $x$ approaches 1 from the left, the function approaches 3. Show more…
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