Which of the following functions f: R → R is continuous at the point 0 € R? f(x) = x² = f(x): = {22² f(x) = { √x 0 f(x) = { {² f(x) = { २२ x + 2 1 -1 if x ≤ 0 if x > 0 if x > 0 if x < 0 if x ≤ 0 if x > 0 if x ≤ 0 if x > 0 Choose... Choose... Choose... Choose... Choose... ✓ Choose... < <> O Continuous at 0 Not continuous at 0

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