Which explicit formula describes the sequence -9,-3,3,9,15...?
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Hello,
First , number of numbers: (131-(-4))/9 +1=15+1=16
[(last number- first number)/ (2th number- 1th number) +1
First , number of numbers: (131-(-4))/9 +1=15+1=16
[(last number- first number)/ (2th number- 1th number) +1