減函數(shù)則x系數(shù)小于0
所以a<0
函數(shù)fx=ax+1在R上是減函數(shù),那么實(shí)數(shù)a的取值范圍是?
函數(shù)fx=ax+1在R上是減函數(shù),那么實(shí)數(shù)a的取值范圍是?
數(shù)學(xué)人氣：511 ℃時(shí)間：2019-11-15 07:42:06
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