madisonalexandp4qm1z madisonalexandp4qm1z

26-02-2018
Mathematics

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What is the answer to number 12

What is the answer to number 12 class=

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tynollette tynollette

26-02-2018

the answer is a.
When n=1, a(1)=(-2)*1+7=5

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