Question

函數(shù)y=2^x的圖象與函數(shù)y=0.5^x的圖象關(guān)于____________對稱；函數(shù)y=2^x的圖象與y=-2^x的圖象關(guān)于____________對稱.

Answer 1

y軸  x軸

函數(shù)y=2^x的圖象與函數(shù)y=2^-x的圖象關(guān)于y軸對稱，函數(shù)y=2^x的圖象與函數(shù)y=-2^x的圖象關(guān)于x軸對稱.