Mathematics · Real Analysis
If P is a refinement of a partition P of a closed interval, then for a bounded function f, which of the following statements is true?
- 1U(P*, f) ≥ U(P, f)
- 2L(P*, f) ≥ L(P, f)✓
- 3L(P*, f) ≤ U(P, f)
- 4L(P, f) < L(P, f)
Correct answer
L(P*, f) ≥ L(P, f)
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