已知函数f(x)的图象过点(0,1),且与函数g(x)=212x-1-a-1的图 发布时间:2017-04-19 11:46 │ 来源:www.tikuol.com 题型:解答题 问题: 已知函数f(x)的图象过点(0,1),且与函数g(x)=212x-1-a-1的图象关于直线y=x-1成轴对称图形.(1)求函数f(x)的解析式及定义域;(2)若三个正数m、n、t依次成等比数列,证明f(m)+f(t)≥2f(n).
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