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Algebra II question please help?
What is the recursive rule for the sequence: -7.4, -21.2, -35, -48.8, -62.6....?
a) an = an + 1 + 13.8
b) an = an + 1 -13.8
c) an = an - 1 -13.8
d) an = an - 1 + 13.8
I chose C
1 Answer
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- ted sLv 78 years agoFavorite Answer
But do you realize that a) and c) are the same ??...
depending upon what you call the initial term...a_0 or a_1 ,
ie n = 0,1 ...vs n = 1, 2 ....
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