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disastergg

  • 3 years ago

a=find the first, fourth, and eighth terms of each sequence. A(n)=-5*3^n-1

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  1. anonymous
    • 3 years ago
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    \[A(1)=-5\times 3^{1-1}=-5\times 3^0=-5\] for the first one others are similar

  2. disastergg
    • 3 years ago
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    @satellite73 wait how did the 1 change to 0?

  3. anonymous
    • 3 years ago
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    the exponent is \(n-1\) if you replace \(n\) by \(1\) you get \(1-1=0\)

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