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For the limit of a sum, the function f must be:

ANegative
BPeriodic
CContinuous
DConstant
Answer & Solution
Correct answer: C. Continuous
1. The definition places a condition on f over the interval. 2. It must have no breaks or jumps there. 3. So f is a continuous function on the closed interval. _Source: syllabus Mathematics Part II, Chapter 7, Integrals._
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