满分5 >
高中数学试题 >
若将函数的图象向左平移m(m>0)个单位后,所得图象关于y轴对称,则实数m的最小...
若将函数
![manfen5.com 满分网](http://img.manfen5.com/res/GZSX/web/STSource/20131101231057728338936/SYS201311012310577283389002_ST/0.png)
的图象向左平移m(m>0)个单位后,所得图象关于y轴对称,则实数m的最小值为( )
A.
![manfen5.com 满分网](http://img.manfen5.com/res/GZSX/web/STSource/20131101231057728338936/SYS201311012310577283389002_ST/1.png)
B.
![manfen5.com 满分网](http://img.manfen5.com/res/GZSX/web/STSource/20131101231057728338936/SYS201311012310577283389002_ST/2.png)
C.
![manfen5.com 满分网](http://img.manfen5.com/res/GZSX/web/STSource/20131101231057728338936/SYS201311012310577283389002_ST/3.png)
D.
![manfen5.com 满分网](http://img.manfen5.com/res/GZSX/web/STSource/20131101231057728338936/SYS201311012310577283389002_ST/4.png)
考点分析:
相关试题推荐
命题:“∀x∈R,cos2x≤cos
2x”的否定为( )
A.∀x∈R,cos2x>cos
2B.∃x∈R,cos2x>cos
2C.∀x∈R,cos2x<cos
2D.∃x∈R,cos2x≤cos
2
查看答案
已知
![manfen5.com 满分网](http://img.manfen5.com/res/GZSX/web/STSource/20131101231057728338936/SYS201311012310577283389000_ST/0.png)
,若
![manfen5.com 满分网](http://img.manfen5.com/res/GZSX/web/STSource/20131101231057728338936/SYS201311012310577283389000_ST/1.png)
共线,则实数x=( )
A.
![manfen5.com 满分网](http://img.manfen5.com/res/GZSX/web/STSource/20131101231057728338936/SYS201311012310577283389000_ST/2.png)
B.
![manfen5.com 满分网](http://img.manfen5.com/res/GZSX/web/STSource/20131101231057728338936/SYS201311012310577283389000_ST/3.png)
C.1
D.2
查看答案
设函数
![manfen5.com 满分网](http://img.manfen5.com/res/GZSX/web/STSource/20131101231057728208194/SYS201311012310577282081020_ST/0.png)
,其中|t|≤1,将f(x)的最小值记为g(t).
(1)求g(t)的表达式;
(2)讨论g(t)在区间(-1,1)内的单调性并求极值.
查看答案
已知函数f(x)=x
2+
![manfen5.com 满分网](http://img.manfen5.com/res/GZSX/web/STSource/20131101231057728208194/SYS201311012310577282081019_ST/0.png)
(x≠0,常数a∈R).
(1)讨论函数f(x)的奇偶性,并说明理由;
(2)若函数f(x)在[2,+∞)上为增函数,求实数a的取值范围.
查看答案
已知函数
![manfen5.com 满分网](http://img.manfen5.com/res/GZSX/web/STSource/20131101231057728208194/SYS201311012310577282081018_ST/0.png)
,且给定条件p:“
![manfen5.com 满分网](http://img.manfen5.com/res/GZSX/web/STSource/20131101231057728208194/SYS201311012310577282081018_ST/1.png)
”,
(1)求f(x)的最大值及最小值
(2)若又给条件q:“|f(x)-m|<2“且p是q的充分条件,求实数m的取值范围.
查看答案