I have the following function
$$ f(x) = \begin{cases} x & \text{if } x \le 1 \\ x^2 & \text{if }x>1 \end{cases} $$
How do I show that this function is continuous at $x_0=1$?
2026-03-31 19:16:54.1774984614
Continuity of a piecewise function.
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