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#4 help! algebra!?

.........fine the first and second differences for the following values of f(n)

n 0 1 2 3 4 5
f(n) 3 2 3 6 11 18

thank you!

2007-06-27 07:19:34 · 1 answers · asked by lost 2 in Science & Mathematics ➔ Mathematics

1 answers

n | f(n) | d1 | d2
0 | 3 ...| .... |
1 | 2 ...| -1 .|
2 | 3 ...| 1 ..| 2
3 | 6 ...| 3 ..| 2
4 | 11 .| 5 ..| 2
5 | 18 .| 7 ..| 2

so you know f is quadratic.

2007-06-27 07:45:34 · answer #1 · answered by Philo 7 · 0⤊ 0⤋

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