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What is the explicit formula for the following sequence: -4, -1, 2, 5...? A) A(n) = -4 + (n - 1)(2) B)A(n) = -4 + (n - 1)(3) C) A(n) = 3 + (n - 1)(-4) D)A(n) = 3(n - 1) + 5

What is the explicit formula for the following sequence: -4, -1, 2, 5...? A) A(n) = -4 + (n - 1)(2) B)A(n) = -4 + (n - 1)(3) C) A(n) = 3 + (n - 1)(-4) D)A(n) = 3(n - 1) + 5
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1 vote
What is the explicit formula for the following sequence: -4, -1, 2, 5...?

A) A(n) = -4 + (n - 1)(2)
B)A(n) = -4 + (n - 1)(3)
C) A(n) = 3 + (n - 1)(-4)
D)A(n) = 3(n - 1) + 5

asked
User Stijn Van Antwerpen
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8.1k points

1 Answer

4 votes
u have an arithmetic sequence with a common difference of 3

A(n) = -4 + (n-1) * 3
answered
User Newbee
by
7.5k points
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