F.4 數學
2007-11-18 12:20 am
回答 (3)
2007-11-18 12:29 am
✔ 最佳答案
y=f(x)=-x^2(a)
y=-(x-2)^2
y=f(x-2)
圖像會向右平移2格
(b)
y=-(x+3)^2-1
y=f(x+3)-1
圖像會向左平移3格,然後向下平移1格
(c)
y=x^2
y=-f(x)
圖像沿x軸反射
2007-11-17 16:30:44 補充：
圖像不能畫出黎,但你可以根據呢d描述自己畫出黎!!!
參考: 英文不太好,只能用中文回答!
2007-11-18 12:36 am
a) the figue translated 2unit to right
b) the figue translated 3unit to left and 1 unit upward
c) the figue reflected by x-axis
b) the figue translated 3unit to left and 1 unit upward
c) the figue reflected by x-axis
參考: me
2007-11-18 12:29 am
I can't find your question.
收錄日期: 2021-04-25 17:18:24
原文連結 [永久失效]:
https://hk.answers.yahoo.com/question/index?qid=20071117000051KK02702