ChiyaStuart7893 ChiyaStuart7893

01-12-2020
Mathematics

contestada

Please help me, Ive been on this for almost half an hour ;(

which explicit formula describes the sequence −9, −3, 3, 9, 15, …?

Group of answer choices

an = 9n + 6

an = 6n + 15

an = 6n - 15

an = 9n – 6

Respuesta :

mirajbow84 mirajbow84

01-12-2020

Answer:

it's 9n + 6

Step by step :

-9 + 6 = -3

-3 +6 = 3

3 + 6 = 9

9 + 6 = 15

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