mATHS QUESTION???

2006-11-12 11:50 pm

-2,-1,0,1,2,3,4,5
-10,-7,-4,-1,2,5,8,11

What is the function???

更新1:

Input k:-2,-1,0,1,2,3,4,5 Output h:-10,-7,-4,-1,2,5,8,11

回答 (3)

2006-11-12 11:59 pm

✔ 最佳答案

y=3x-4

-10 -7 -4 -1
都係一樣相差3,,
但係係第一次揾相差ge時候d差已經一樣,,所以一定係x,,唔係x^2.x^3........

揾到y=3x

再試代0入去
會係0

但係條quest.要求係-4,,所以加番-4

就係y=3x-4

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2006-11-28 2:15 am

應該是 f(n)=3k-4 或 f(k)=(n+4)/3

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2006-11-12 11:57 pm

1. -3+1n

2. -10-3+3n

不知對不對, 請見諒

2006-11-12 15:58:32 補充：
-3+1k-10-3+3h

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