求函数y=log1/2(-x2+2x+3)的单调区间及最小值
求函数y=log1/2(-x2+2x+3)的单调区间及最小值
数学人气:319 ℃时间:2019-11-09 11:42:51
优质解答
要是函数有意义,-x2+2x+3>0,解得-1
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