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  • one year ago

A sequence is defined by the recursive formula f(n + 1) = 1.5f(n). Which sequence could be generated using the formula? –12, –18, –27, ... –20, 30, –45, ... –18, –16.5, –15, ... –16, –17.5, –19, ...

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  1. anonymous
    • one year ago
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    Take the first number in each sequence (\(f(1)\)) and multiply it by \(\dfrac{3}{2}\). Does the next term (\(f(2)\)) match? For example, in the second sequence: \[f(1)=-20\\ f(2)=\frac{3}{2}(-20)=-30\neq30\] That eliminates the second option.

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