China Today attracts a worldwider readership shows that more and more people all over the world want to learn about China.
下列有关观察的说法中正确的是( )
已知函数f(x)=3cos2x+2sinxcosx,x∈R.
(1)求函数f(x)的最小正周期;
(2)求函数f(x)在区间0,π4上的值域.
下列省级行政区名称—简称—行政中心搭配正确的是( )