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15-02-2020
Mathematics

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Use the following recursive formula to answer the question.

a1=−3/2
an=an−1+1/2

What is a9?

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15-02-2020

Answer:

2 1/2

Step-by-step explanation:

Each term is 1/2 added to the previous term. The first term is -3/2, so the first 9 terms of the sequence are ...

-3/2, -1, -1/2, 0, 1/2, 1, 1 1/2, 2, 2 1/2

a9 is 2 1/2.

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