A.原函數(shù)與反函數(shù)的圖象關(guān)于y=-x對稱

B.原函數(shù)不與反函數(shù)的圖象關(guān)于y=x對稱

C.存在一個原函數(shù)與反函數(shù)的圖象不關(guān)于y=x對稱

D.存在原函數(shù)與反函數(shù)的圖象關(guān)于y=x對稱

命題“原函數(shù)與反函數(shù)的圖象關(guān)于y=x對稱”的否定是（         ）

A.原函數(shù)與反函數(shù)的圖象關(guān)于y=－x對稱 

B.原函數(shù)不與反函數(shù)的圖象關(guān)于y=x對稱

C.存在一個原函數(shù)與反函數(shù)的圖象不關(guān)于y=x對稱

D.存在原函數(shù)與反函數(shù)的圖象關(guān)于y=x對稱

命題“原函數(shù)與反函數(shù)的圖象關(guān)于y＝x對稱”的否定是

1. A.
   原函數(shù)與反函數(shù)的圖象關(guān)于y＝-x對稱
2. B.
   原函數(shù)不與反函數(shù)的圖象關(guān)于y＝x對稱
3. C.
   存在一個原函數(shù)與反函數(shù)的圖象不關(guān)于y＝x對稱
4. D.
   存在原函數(shù)與反函數(shù)的圖象關(guān)于y＝x對稱

A.原函數(shù)與反函數(shù)的圖象關(guān)于y=-x對稱

B.原函數(shù)不與反函數(shù)的圖象關(guān)于y=x對稱

C.存在一個原函數(shù)與反函數(shù)的圖象不關(guān)于y=x對稱

D.存在原函數(shù)與反函數(shù)的圖象關(guān)于y=x對稱