Question: 2. Is there a function f: [-1, 1] - [-1, 1] such that f is continuous at r = 0 but not continuous at x

2. Is there a function f: [-1, 1] - [-1, 1]

such that f is continuous at r = 0 but not continuous

2. Is there a function f: [-1, 1] - [-1, 1] such that f is continuous at r = 0 but not continuous at x = a for any a * 0? Prove your

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