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Flura [38]
3 years ago
11

Write a recursive formula for the arithmetic sequence: 7,4,1,-2

Mathematics
2 answers:
zhuklara [117]3 years ago
3 0
A1 = 7
a(sub)n = a(sub)n-1 - 3

(sub) indicates the values touching the parenthesis are written as a subscript.

The above would be the recursive formula as you are taking the previous number and subtracting 3 to get the next number in the sequence.
telo118 [61]3 years ago
3 0

Answer:

N - 3

Step-by-step explanation:

It is a series of -3 so:

7 -3 = 4

4 - 3 = 1

1 - 3 = -2

So:

N-3

where N is the present value in the sequence.

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