Read Theorem 5.9: Integral Test from the textbook Links to an external site. .    Suppose you are given a series ∑ 𝑛 = 1 ∞ 𝑎 𝑛  and that you have already found a function 𝑓 ( 𝑥 ) such that 𝑓 ( 𝑛 ) = 𝑎 𝑛 for all integers 𝑛 ≥ 𝑁   for some positive integer 𝑁 . If you wanted to use the Integral Test to find out if the series converges or diverges, which of the following would you need to do? (Select all that apply.)多项选择题

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