如图, AB是圆的直径,弦 CD与 AB相交于点 E, BE = 2 AE = 2 , BD = ED , 则线段 CE的长为________.
设函数= 2(x≤0)的反函数为y =,则函数y =的定义域为________
log(3+2) = ____________
已知a = log0.8,b = log0.9,c = 1.1,则a,b,c的大小关系是___________
若lg2 = a,lg3 = b,则lg=_____________
函数y=的单调递增区间是.