Question

The first term in a sequence is 13. The term to term rule is "take away 5" write an expression in terms of n , for the nth term of the sequence

Answer 1

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Answer:

an = 13 -5(n -1)

Explanation:

The "take away 5" rule means the common difference between terms is d=-5. For first term a1=13, the n-th term is ...

an = a1 +d(n -1)

an = 13 -5(n -1)