下列函数f(x)中,满足“对任意x1,x2属于(0,+&),当x1f(x2)”的是( )a.f(x)=1/x b.f(x)=(x-1)^2c.f(x)=e^xd.f(x)=ln(x+1)
来源:学生作业帮助网 编辑:作业帮 时间:2024/07/01 15:07:14
![下列函数f(x)中,满足“对任意x1,x2属于(0,+&),当x1f(x2)”的是( )a.f(x)=1/x b.f(x)=(x-1)^2c.f(x)=e^xd.f(x)=ln(x+1)](/uploads/image/z/12516991-7-1.jpg?t=%E4%B8%8B%E5%88%97%E5%87%BD%E6%95%B0f%28x%29%E4%B8%AD%2C%E6%BB%A1%E8%B6%B3%E2%80%9C%E5%AF%B9%E4%BB%BB%E6%84%8Fx1%2Cx2%E5%B1%9E%E4%BA%8E%EF%BC%880%2C%2B%26%EF%BC%89%2C%E5%BD%93x1f%28x2%29%E2%80%9D%E7%9A%84%E6%98%AF%EF%BC%88+%EF%BC%89a.f%28x%29%3D1%2Fx+b.f%28x%29%3D%28x-1%29%5E2c.f%28x%29%3De%5Exd.f%28x%29%3Dln%28x%2B1%29)
下列函数f(x)中,满足“对任意x1,x2属于(0,+&),当x1f(x2)”的是( )a.f(x)=1/x b.f(x)=(x-1)^2c.f(x)=e^xd.f(x)=ln(x+1)
下列函数f(x)中,满足“对任意x1,x2属于(0,+&),当x1f(x2)”的是( )
a.f(x)=1/x
b.f(x)=(x-1)^2
c.f(x)=e^x
d.f(x)=ln(x+1)
下列函数f(x)中,满足“对任意x1,x2属于(0,+&),当x1f(x2)”的是( )a.f(x)=1/x b.f(x)=(x-1)^2c.f(x)=e^xd.f(x)=ln(x+1)
选 a