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What does continuity on a closed interval guarantee?

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Question

What does continuity on a closed interval guarantee?

Options

  • that every point is a critical point

  • existence of absolute extrema

  • existence of only a local minimum value

  • existence of only a local maximum value

MCQ
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Solution

Continuity on a closed interval guarantees existence of absolute extrema. Thus, the function attains both an absolute maximum and an absolute minimum.

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