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sattari [20]
3 years ago
6

If a inequality has a closed dot what does it mean in terms of possible solutions

Mathematics
1 answer:
VMariaS [17]3 years ago
7 0

Answer:

This means the dot IS a part of the solution.

Step-by-step explanation:

A closed dot means it is included, but an open dot means it is not included.

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Answer:

domain: {-12, -8, 0, 1}   range: {0, 8, 12}

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IRINA_888 [86]

Answer:

∑ (-1)ⁿ⁺³ 1 / (n^½)

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Step-by-step explanation:

If ∑ an is convergent and ∑│an│is divergent, then the series is conditionally convergent.

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Option B: bn = 1 / (n^⁹/₈) is a p series with p > 1, so both an and │an│converge (absolutely convergent).

Option C: an = 1 / n³ isn't an alternating series.  So an =│an│and both series converge (p series with p > 1).  This is absolutely convergent.

Option D: bn = 1 / (n^½) is a p series with p = ½, so this is a diverging series.  Since lim(n→∞) bn = 0, and bn is decreasing, then an converges.  So this is conditionally convergent.

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Answer:

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