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函数Lnx的图象是怎样的

更新时间: 2020-08-16 00:00:00     

1、该函数的图像是单调递增的,经过X轴,没有极值点,也没有最值,即没有上界;

2、图像在Y轴右侧,呈向上凸的趋势,向上直到正无穷,向下直到负无穷;

3、当自变量赋值为1的时候,因变量等于0,即当自变量大于1时,因变量为正,当自变量小于1时,因变量为负。

关键词: 函数 lnx 象是 怎样

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