Advanced Algebra

Question: Which recursive equation represents the pattern? 1 answer below »

n an
1 1
2 6
3 12
4 19
Which recursive equation represents the pattern?
an = an – 1 + 3n + 1
an = an – 1 + 3(n + 1)
an = an – 1 + (n+3)
an = an – 1 + (n-3)

My answer is the 2nd one.

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  1. well,
    a2 added 5
    a3 added 6
    a4 added 7
    so, what do you think?

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  2. Steve, to be honest with you I'm a little lost.I'mm71 years old and trying to help my grandson.

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