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    當(dāng)前位置: 高中數(shù)學(xué) / 解答題
    • 1. (2024高一上·安順期末) 已知函數(shù)的最小正周期為.

      1. (1) 求函數(shù)的單調(diào)遞減區(qū)間;
      2. (2) 若 , 且函數(shù)在區(qū)間上的值域?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%3Cmrow%3E%3Cmfenced+open%3D%22%5B%22+close%3D%22%5D%22%3E%3Cmrow%3E%3Cmn%3E0%3C%2Fmn%3E%3Cmo%3E%2C%3C%2Fmo%3E%3Cmn%3E3%3C%2Fmn%3E%3C%2Fmrow%3E%3C%2Fmfenced%3E%3C%2Fmrow%3E%3C%2Fmath%3E" style="max-width:100%;vertical-align: middle;"> , 求實(shí)數(shù)a,b的值.

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