Claycollier6190 Claycollier6190

10-02-2020
Mathematics

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find the 4th term in the sequence with the following definition: a1=-2 an an=2an-1-3

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PollyP52 PollyP52

10-02-2020

Answer:

4th term = -5.

Step-by-step explanation:

a1 = 2

an = 2an-1 - 3

So a2 = 2*2 - 3 = 1

and a3 = 2*1 - 3 = -1

and a4 = 2*-1 - 3 = -5.

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