Question: If x 4 (x) x 2 for x in [-1, 1] and x 2 (x) x 4 for x < -1
If x4 ≤ ƒ(x) ≤ x2 for x in [-1, 1] and x2 ≤ ƒ(x) ≤ x4 for x < -1 and x > 1, at what points c do you automatically know limx→c ƒ(x)? What can you say about the value of the limit at these points?
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