因?yàn)辄c(diǎn)(x,y)和點(diǎn)(x,-y)關(guān)于x軸對(duì)稱,所以y=-ex的圖象與y=ex的圖象關(guān)于x軸對(duì)稱,故A和B錯(cuò)誤;
因?yàn)辄c(diǎn)(x,y)和點(diǎn)(-x,-y)關(guān)于原點(diǎn)對(duì)稱,所以y=-ex的圖象與y=e-x的圖象關(guān)于坐標(biāo)原點(diǎn)對(duì)稱
故選D
函數(shù)y=-ex的圖象( ?。?A.與y=ex的圖象關(guān)于y軸對(duì)稱 B.與y=ex的圖象關(guān)于坐標(biāo)原點(diǎn)對(duì)稱 C.與y=e-x的圖象關(guān)于y軸對(duì)稱 D.與y=e-x的圖象關(guān)于坐標(biāo)原點(diǎn)對(duì)稱
函數(shù)y=-ex的圖象( ?。?br/>A. 與y=ex的圖象關(guān)于y軸對(duì)稱
B. 與y=ex的圖象關(guān)于坐標(biāo)原點(diǎn)對(duì)稱
C. 與y=e-x的圖象關(guān)于y軸對(duì)稱
D. 與y=e-x的圖象關(guān)于坐標(biāo)原點(diǎn)對(duì)稱
B. 與y=ex的圖象關(guān)于坐標(biāo)原點(diǎn)對(duì)稱
C. 與y=e-x的圖象關(guān)于y軸對(duì)稱
D. 與y=e-x的圖象關(guān)于坐標(biāo)原點(diǎn)對(duì)稱
數(shù)學(xué)人氣:856 ℃時(shí)間:2020-05-22 01:17:22
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