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OpenStudy (babygirl123):
Write the related series for the finite sequence. Then evaluate the series. 21, 18, 15, 12, 9, 6 .
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OpenStudy (anonymous):
21 - 3x
OpenStudy (babygirl123):
Thank you! How did you get that?
OpenStudy (anonymous):
each number goes down by 3 every time u go over one so that means u have a negative 3x and then u just plug in your starting value of 21 giving u the formula i got
OpenStudy (babygirl123):
Ah! Thank you so much!!
OpenStudy (anonymous):
ya np
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