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denis23 [38]
3 years ago
7

What is the explicit formula for the sequence 3, 7,

Mathematics
2 answers:
melomori [17]3 years ago
8 0

Answer:

d

Step-by-step explanation:

i just answered it

balu736 [363]3 years ago
5 0

Answer:

an = 4n - 1

a1 = 3

a2 = 7 = 3 + 4

a3 = 11 = 3 + 4.2

a4 = 15 = 3 + 4.3

a5 = 19 = 3 + 4.5

.....

=> this is a arithmetic with a1 = 3 and d = 4

=> an = 3 + 4(n - 1) = 4n - 1

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