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f(x)=x2-2x+2=(x-1)2+1,所以,其圖像的對稱軸為直線x=1,且圖像開口向上.①當t+1<1,即t<0時,f(x)在[t,t+1]上是减函數,所以g(t)=f(t+1)=t2+1;②當t≤1≤t+1,即0≤t≤1時,函數f(x)在頂點處取得…
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