若三函數f(x)=x-a、g(x)=1-2x、h(x)=4x+b在x=1時有相同... - 拼圖
By Candice
at 2008-05-20T17:43
at 2008-05-20T17:43
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若三函數f(x)=x-a、g(x)=1-2x、h(x)=4x+b在x=1時有相同的函數直,則:
(1)a=_____ (2)b=____ (3)f(1)-h(2)=_______
我算出來是a=2,b= -5 ,f(1)-h(2)= -4
可是答案是給a=2,b= -5,f(1)-h(2)=2
請問一下是答案錯,還是我錯?
謝謝
--
(1)a=_____ (2)b=____ (3)f(1)-h(2)=_______
我算出來是a=2,b= -5 ,f(1)-h(2)= -4
可是答案是給a=2,b= -5,f(1)-h(2)=2
請問一下是答案錯,還是我錯?
謝謝
--
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at 2008-05-23T22:48
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