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    當(dāng)前位置: 高中數(shù)學(xué) / 多選題
    • 1. (2023高一上·臨渭期末) 關(guān)于函數(shù)的性質(zhì)描述,正確的是(    )

      A . 的定義域?yàn)?img class="mathml" src="http://math.21cnjy.com/MathMLToImage?mml=%3Cmath+xmlns%3D%22http%3A%2F%2Fwww.w3.org%2F1998%2FMath%2FMathML%22%3E%3Cmn%3E%28%3C%2Fmn%3E%3Cmo%3E%E2%88%92%3C%2Fmo%3E%3Cmo%3E%E2%88%9E%3C%2Fmo%3E%3Cmn%3E++%EF%BC%8C+%3C%2Fmn%3E%3Cmn%3E3%3C%2Fmn%3E%3Cmn%3E%29%3C%2Fmn%3E%3Cmo%3E%E2%88%AA%3C%2Fmo%3E%3Cmn%3E%28%3C%2Fmn%3E%3Cmn%3E3%3C%2Fmn%3E%3Cmn%3E++%EF%BC%8C+%3C%2Fmn%3E%3Cmo%3E%2B%3C%2Fmo%3E%3Cmo%3E%E2%88%9E%3C%2Fmo%3E%3Cmn%3E%29%3C%2Fmn%3E%3C%2Fmath%3E" style="max-width:100%;vertical-align: middle;"> B . 的值域?yàn)?img class="mathml" src="http://math.21cnjy.com/MathMLToImage?mml=%3Cmath+xmlns%3D%22http%3A%2F%2Fwww.w3.org%2F1998%2FMath%2FMathML%22%3E%3Cmn%3E%28%3C%2Fmn%3E%3Cmo%3E%E2%88%92%3C%2Fmo%3E%3Cmo%3E%E2%88%9E%3C%2Fmo%3E%3Cmn%3E++%EF%BC%8C+%3C%2Fmn%3E%3Cmn%3E2%3C%2Fmn%3E%3Cmn%3E%29%3C%2Fmn%3E%3Cmo%3E%E2%88%AA%3C%2Fmo%3E%3Cmn%3E%28%3C%2Fmn%3E%3Cmn%3E2%3C%2Fmn%3E%3Cmn%3E++%EF%BC%8C+%3C%2Fmn%3E%3Cmo%3E%2B%3C%2Fmo%3E%3Cmo%3E%E2%88%9E%3C%2Fmo%3E%3Cmn%3E%29%3C%2Fmn%3E%3C%2Fmath%3E" style="max-width:100%;vertical-align: middle;"> C . 的圖象關(guān)于點(diǎn)對(duì)稱 D . 在其定義域上是減函數(shù)

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