Question

一給定函數(shù)y=f(x)的圖象在下列圖中,并且對(duì)任意a₁∈(0,1),由關(guān)系式a_n+1=f(a_n)得到的數(shù)列{a_n}滿足a_n+1＞a_n(n∈N^*),則該函數(shù)的圖象是(    )

Answer 1

思路解析:分析清楚函數(shù)值與自變量的關(guān)系,即可判斷.

由a_n+1=f(a_n),a_n+1＞a_n,得f(a_n)＞a_n,

即f(x)＞x,故選A.

答案:A