(1)定義域x∈R,值域y∈R
(2)定義域x∈R,值域y∈【-1,1】
1)函數(shù) f(x)=x2的定義域是 ,值域是 .(2)函數(shù) f(x)=sin x的定義域是 ,值域是 .
1)函數(shù) f(x)=x2的定義域是 ,值域是 .(2)函數(shù) f(x)=sin x的定義域是 ,值域是 .
數(shù)學(xué)人氣:779 ℃時(shí)間:2020-08-09 03:03:43
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