2.5 Continuity: Quiz

Problem 3

Choose the answer which best describes the continuity of this function.

1. The function is unbounded and therefore cannot be continuous.
2. The function is right continuous at x = 0 and x = 4, but is not continous at these points.
3. The function has a removable discontinuity at 0 and 4, but is continuous on the rest of the real line.
4. The function is continuous on the real line.

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