数学—2—1—2“指数函数与其性质”演示演示课件[新人教A版必须修读1].ppt
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2.1.2指数函数及其性质（第三课时） 例1。用计算机作出的图像，并在同一坐标系下作出下列函数的图象，并指出它们与指数函数y= 的图象的关系， ⑴y= 与y= . ⑵y= 与y= . 例2． ⑴已知函数 作出函数 图像，求定义域、值域 并探讨 与 图像的关系 ⑵已知函数 作出函数 图像，求定义域、值域，并探讨 与 图像的关系 例3．探讨函数 和 的图象的关系，并证明它们图象关于y轴对称 例4．求函数 的单调区间 例5．已知 求 z 的取值范围。 课后作业：P82复习题，B组3，4补充： * * Evaluation only. Created with Aspose.Slides for .NET 3.5 Client Profile 5.2.0.0. Copyright 2004-2011 Aspose Pty Ltd. Evaluation only. Created with Aspose.Slides for .NET 3.5 Client Profile 5.2.0.0. Copyright 2004-2011 Aspose Pty Ltd. Evaluation only. Created with Aspose.Slides for .NET 3.5 Client Profile 5.2.0.0. Copyright 2004-2011 Aspose Pty Ltd. Evaluation only. Created with Aspose.Slides for .NET 3.5 Client Profile 5.2.0.0. Copyright 2004-2011 Aspose Pty Ltd. Evaluation only. Created with Aspose.Slides for .NET 3.5 Client Profile 5.2.0.0. Copyright 2004-2011 Aspose Pty Ltd. Evaluation only. Created with Aspose.Slides for .NET 3.5 Client Profile 5.2.0.0. Copyright 2004-2011 Aspose Pty Ltd. Evaluation only. Created with Aspose.Slides for .NET 3.5 Client Profile 5.2.0.0. Copyright 2004-2011 Aspose Pty Ltd. 例6．已知函数f(x)=3x，且f(a+2)=18, g(x)=3ax-4x的定义域为区间[-1,1] (1)求g(x)的解析式; (2)判断g(x)的单调性; (3)若方程g(x)=m有解,求m的取值范围. Evaluation only. Created with Aspose.Slides for .NET 3.5 Client Profile 5.2.0.0. Copyright 2004-2011 Aspose Pty Ltd. 1．作下列函数图象：1? 2? 3? 4? 2．已知函数 的图象过点(0,2)、(?2,11)，求f(x) Evaluation only. Created with Aspose.Slides for .NET 3.5 Client Profile 5.2.0.0. Copyright 2004-2011 Aspose Pty Ltd.
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