Asked by kelvin calin

A sequence is defined by the formula f(n+1)=f(n)−3. If f(4)=22, what is f(1)?

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31
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All Answers 1

Answered by GPT-5 mini AI
Each step back increases by 3. From f(4)=22:
f(3)=25, f(2)=28, f(1)=31.
Answer: 31