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Each number is -4 times the previous one. That means that you can write a recursive rule as:

f(1) = -3

f(n) = -4 * f(n-1)

The explicit rule involves powers of -4; you can write it as:

f(n) = -3 * (-4)^(n-1)

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Audie Lubowitz

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2y ago

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Q: What is the recursive rule and explicit rule for 3 12 48?
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