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Find the explicit formula for 15, 12, 9, 6,

A. a= 3n - 18

B a, = -3n + 18

C a. = 3n + 18

D. a= -3n - 18​

User Ggutenberg
by
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1 Answer

1 vote

Answer:

D

Explanation:

User Pguetschow
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