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xxTIMURxx [149]
3 years ago
11

Consider the sequence 7,  3, −1, −5,−9, … .

Mathematics
1 answer:
Pepsi [2]3 years ago
4 0

Answer:

  a_n=\,\boxed{11-4n}

Step-by-step explanation:

The sequence has a common difference of 3-7 = -4 and a first term of 7. Using the explicit formula ...

  an = a1 +d(n -1)

we can fill in those values to find ...

  an = 7 -4(n -1)

  an = 11 -4n

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