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Mathematics, 29.01.2020 05:59 izzy123abc

Given an arithmetic sequence in the table below, create the explicit formula and list any restrictions to the domain.

a. a_n = 9 βˆ’ 3(n βˆ’ 1) where n ≀ 9
b. a_n = 9 βˆ’ 3(n βˆ’ 1) where n β‰₯ 1
c. a_n = 9 βˆ’ 6(n βˆ’ 1) where n ≀ 9
d. a_n = 9 βˆ’ 6(n βˆ’ 1) where n β‰₯ 1

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