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Dmitriy789 [7]
3 years ago
8

The fourth term of a sequence is 14. Each term of the sequence is 8 less than the previous term. Which recursive formula represe

nts the situation?
Mathematics
2 answers:
umka21 [38]3 years ago
8 0

Answer with Step-by-step explanation:

a_{4}=14

Each term of the sequence is 8 less than the previous term

⇒ a_{3}=14+8=22

⇒ a_{2}=22+8=30

⇒ a_{1}=30+8=38

In general a_{n}=a_{n-1}-8,a_{1}=38

Hence, recursive formula representing the situation is:

a_{n}=a_{n-1}-8,a_{1}=38

Zina [86]3 years ago
4 0

So

an=an+b

14=4a+b and a=-8

14=-32+b

b= 46

an=-8n+46

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