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Harrizon [31]
3 years ago
12

What is the explicit formula for this sequence? -7, -3, 1, 5, ...

Mathematics
1 answer:
alukav5142 [94]3 years ago
8 0

Answer:

Step-by-step explanation:

a1 = - 7

d = 4

an = a1 + (n - 1) * d

an = - 7 + (n - 1) * 4

an = - 7 + 4n - 4

an = -11 + 4n

Try this out. Let n = 3

a3 = -11 + 4*3

a3 = - 11 + 12

a3 = 1   Which is what the series says.

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