已知二次函数f(x)=x²-2(a+1)+3在区间[-5,5]上是单调函数,求实数a的取值范围?
已知二次函数f(x)=x²-2(a+1)+3在区间[-5,5]上是单调函数,求实数a的取值范围?
数学人气:407 ℃时间:2020-05-13 06:30:52
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