Q. Which word best describes this formula for the sequence an?an=−3an−1−5an−2+4n−11Choices:(A)explicit(B)recursive
Examine Formula: Look at the formula: an=−3an−1−5an−2+4n−11. Does it use previous terms of the sequence? Yes, it uses an−1 and an−2.
Identify Formula Type: Since the formula uses previous terms, what type of formula is it?It's a recursive formula because it defines each term using the previous ones.
Final Answer: So, what's the answer to the question prompt?The word that best describes the formula is "recursive".
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