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函数f(x)=xlnx+x的单调递增区间是 .
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高二下学期数学《》真题及答案
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如图是定义在闭区间[-55]上的函数y=fx的图象根据图象y=fx的单调递增区间为_________
若函数fx在区间[-23]上是增函数则函数fx+5的单调递增区间是________.
若函数fx=|2x+a|的单调递增区间是[3+∞则a=.
若函数fx=|2x+a|的单调递增区间是[3+∞则a=________.
已知函数fx=x3+x2+ax+1.Ⅰ若曲线y=fx在点01处切线的斜率为﹣3求函数fx的单调区间Ⅱ
函数y=lg|x|
是偶函数,在区间(﹣∞,0)上单调递增
是偶函数,在区间(﹣∞,0)上单调递减
是奇函数,在区间(﹣∞,0)上单调递增
是奇函数,在区间(﹣∞,0)上单调递减
函数fx=|logax|0
函数fx=sinπx+x∈[-11]则
f(x)为偶函数,且在区间[0,1]上单调递减
f(x)为偶函数,且在区间[0,1]上单调递增
f(x)为奇函数,且在区间[-1,0]上单调递增
f(x)为奇函数,且在区间[-1,0]上单调递减
若函数fx=sinωx0
函数fx=x-3ex的单调递增区间是________.
函数fx=|x|的单调递增区间为________.
已知定义在实数集R上的偶函数fx在区间[0+∞上为单调递增函数若f1<flgx则x的取值范围是.
已知函数y=那么
函数的单调递减区间为(-∞,1),(1,+∞)
函数的单调递减区间为(-∞,1)∪(1,+∞)
函数的单调递增区间为(-∞,1),(1,+∞)
函数的单调递增区间为(-∞,1)∪(1,+∞)
下列命题正确的序号是________.①定义在ab上的函数fx若存在x1x2∈ab使得x1
函数fx=x-3ex的单调递增区间是
已知函数fx=ex-ax-1.1求函数fx的单调增区间.2若fx在定义域R.内单调递增求实数a的取值
若函数fx=|2x+a|的单调递增区间是[3+∞则a=.
函数y=x3-x的单调递增区间为______单调递减区间为________.
函数fx=|sinx|的单调递增区间是__________.
函数fx=x-3ex的单调递增区间为________.
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