【步步高】（江苏专用）2017版高考数学一轮复习第二章函数概念与基本初等函数I2.5指数与指数函数理INCLUDEPICTURE"E:\\赵丽君2016\\一轮2016\\数学\\苏教（理）\\word\\基础知识自主学习.tif"\*MERGEFORMATINETINCLUDEPICTURE"E:\\赵丽君2016\\一轮2016\\数学\\苏教（理）\\word\\基础知识自主学习.tif"\*MERGEFORMATINETINCLUDEPICTURE"E:\\赵丽君2016\\一轮2016\\数学\\苏教（理）\\word\\基础知识自主学习.tif"\*MERGEFORMATINETINCLUDEPICTURE"E:\\赵丽君2016\\一轮2016\\数学\\苏教（理）\\word\\基础知识自主学习.tif"\*MERGEFORMATINETINCLUDEPICTURE"E:\\赵丽君2016\\一轮2016\\数学\\苏教（理）\\word\\基础知识自主学习.tif"\*MERGEFORMATINETINCLUDEPICTURE"E:\\赵丽君2016\\一轮2016\\数学\\苏教（理）\\word\\基础知识自主学习.tif"\*MERGEFORMATINETINCLUDEPICTURE"E:\\赵丽君2016\\一轮2016\\数学\\苏教（理）\\word\\基础知识自主学习.tif"\*MERGEFORMATINETINCLUDEPICTURE"E:\\赵丽君2016\\一轮2016\\数学\\苏教（理）\\word\\基础知识自主学习.tif"\*MERGEFORMATINETINCLUDEPICTURE"E:\\赵丽君2016\\一轮2016\\数学\\苏教（理）\\word\\基础知识自主学习.tif"\*MERGEFORMATINETINCLUDEPICTURE"E:\\赵丽君2016\\一轮2016\\数学\\苏教（理）\\word\\知识梳理.TIF"\*MERGEFORMATINETINCLUDEPICTURE"E:\\赵丽君2016\\一轮2016\\数学\\苏教（理）\\word\\知识梳理.TIF"\*MERGEFORMATINETINCLUDEPICTURE"E:\\赵丽君2016\\一轮2016\\数学\\苏教（理）\\word\\知识梳理.TIF"\*MERGEFORMATINETINCLUDEPICTURE"E:\\赵丽君2016\\一轮2016\\数学\\苏教（理）\\word\\知识梳理.TIF"\*MERGEFORMATINETINCLUDEPICTURE"E:\\赵丽君2016\\一轮2016\\数学\\苏教（理）\\word\\知识梳理.TIF"\*MERGEFORMATINETINCLUDEPICTURE"E:\\赵丽君2016\\一轮2016\\数学\\苏教（理）\\word\\知识梳理.TIF"\*MERGEFORMATINETINCLUDEPICTURE"E:\\赵丽君2016\\一轮2016\\数学\\苏教（理）\\word\\知识梳理.TIF"\*MERGEFORMATINETINCLUDEPICTURE"E:\\赵丽君2016\\一轮2016\\数学\\苏教（理）\\word\\知识梳理.TIF"\*MERGEFORMATINETINCLUDEPICTURE"E:\\赵丽君2016\\一轮2016\\数学\\苏教（理）\\word\\知识梳理.TIF"\*MERGEFORMATINET1．分数指数幂(1)规定：正数的正分数指数幂的意义是正数的负分数指数幂的意义是0的正分数指数幂等于0；0的负分数指数幂没有意义．(2)有理数指数幂的运算性质：asat＝as＋t，(as)t＝ast，(ab)t＝atbt，其中a>0，b>0，s，t∈Q.2．指数函数的图象与性质y＝axa>10
