Asked by sally
Find a quadratic model for the sequence with the indicated terms.
3, 3, 5, 9, 15, 23, ...
3, 3, 5, 9, 15, 23, ...
Answers
Answered by
Steve
the differences are 0,2,4,6,8,...
Tn+1 = Tn + 2(n-1)
so,
Tn = n^2-3n+5
Tn+1 = Tn + 2(n-1)
so,
Tn = n^2-3n+5
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