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Help 50 points What is the explicit rule for the arithmetic sequence? 17.5, 14, 10.5, 7, 3.5, ... an = 21 + 3.5n an = 17.5 + 3.5n an = 21 - 3.5n an = 17.5 - 3.5n

Help 50 points What is the explicit rule for the arithmetic sequence? 17.5, 14, 10.5, 7, 3.5, ... an = 21 + 3.5n an = 17.5 + 3.5n an = 21 - 3.5n an = 17.5 - 3.5n
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Help 50 points

What is the explicit rule for the arithmetic sequence?

17.5, 14, 10.5, 7, 3.5, ...
an = 21 + 3.5n
an = 17.5 + 3.5n
an = 21 - 3.5n
an = 17.5 - 3.5n

asked
User Shamica
by
8.3k points

1 Answer

3 votes

Answer: an = 21 - 3.5n

Explanation:

21 - 3.5 = 17.5

17.5 - 3.5 = 14

14 - 2.5 = 10.5

etc

answered
User Plaban
by
8.0k points
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