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Mathematics, 02.12.2021 01:20 ericsmith19

Which function could be used to represent the sequence 8, 20, 50, 125, 312.5, given that a, = 8?

(1) a, = 4,- 1 ta

(3) 4, = 4, + 1.5(, -1)

(2) a. = 2.5(

4-1) (4) 4 = (a), -1)

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Which function could be used to represent the sequence 8, 20, 50, 125, 312.5, given that a, = 8?
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