kenzieuhohbrop0v0qs kenzieuhohbrop0v0qs

12-12-2017
Mathematics

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What is the explicit rule for this geometric sequence?

29,23,2,6,...

1.a1=12;an=−4⋅an−1

2.a1=−4;an=12⋅an−1

3.a1=−12;an=4⋅an−1

4.a1=12;an=2⋅an−1

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Moogie27 Moogie27

13-12-2017

a4 = 3*4 = 12. Answer: 3,6,9,12. 3) an = 3n – 5 a1 = 3*1-5 = -2 a2 = 3*2 – 5 = 1 a3 = 3*3-5 = 4 a4 = 3*4 – 5 = 7 Answer: -2,1,4,7. 5) an = 3n a1 = 31= 3 ... 21) an = (-1)n; a50. Answer: a50 = (-1)50 = 1. 23) an = ;a12. Answer: #25-40: write an expression for the nth term of the sequence. 25) 2,4,6,8,10…. Answer: an = 2n ...

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