如果f(x) = g(x+k)，那麼f(x-k) = g(x)嗎？

小Ｇ

2007-10-04 2:13 am

如果f(x) = g(x+k)，
那麼f(x-k) = g(x)嗎？
要原因的。

回答 (3)

雞尾包

2007-10-04 2:28 am

✔ 最佳答案

f(x) = g(x+k)
f(x-k)
= g( (x-k)+k)
= g( x-k+k)
= g(x)

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heatthespurs

2007-10-16 7:15 pm

I don't see any problem in it.
Good and clear answer

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祈諾

2007-10-04 2:49 am

fx=g(x+k)
f(x-k)=g(x+k-k)
f(x-k)=g(x)

參考: me

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