Question

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.

Answer 1

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

Answer 2

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