高一数学“函数的单调性”.ppt

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2017-04-07 发布于上海
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高一数学“函数的单调性”.ppt

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高一数学“函数的单调性”

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. 如何用x与f(x)来描述上升的图象? Evaluation only. Created with Aspose.Slides for .NET 3.5 Client Profile 5.2.0.0. Copyright 2004-2011 Aspose Pty Ltd. 如何用x与f(x)来描述上升的图象? Evaluation only. Created with Aspose.Slides for .NET 3.5 Client Profile 5.2.0.0. Copyright 2004-2011 Aspose Pty Ltd. 如何用x与f(x)来描述上升的图象? Evaluation only. Created with Aspose.Slides for .NET 3.5 Client Profile 5.2.0.0. Copyright 2004-2011 Aspose Pty Ltd. 如何用x与f(x)来描述下降的图象？如何用x与f(x)来描述上升的图象? Evaluation only. Created with Aspose.Slides for .NET 3.5 Client Profile 5.2.0.0. Copyright 2004-2011 Aspose Pty Ltd. 如何用x与f(x)来描述下降的图象？如何用x与f(x)来描述上升的图象? Evaluation only. Created with Aspose.Slides for .NET 3.5 Client Profile 5.2.0.0. Copyright 2004-2011 Aspose Pty Ltd. 一般地, 对于给定区间上的函数f(x)：函数单调性的概念： Evaluation only. Created with Aspose.Slides for .NET 3.5 Client Profile 5.2.0.0. Copyright 2004-2011 Aspose Pty Ltd. 函数的增减, 是对定义域内某个区间而言的, 它是个局部性的概念. 如果函数y=f(x)在某个区间上是增函数或减函数, 那么就说函数y=f(x)在这一个区间上具有严格的单调性. 这一个区间叫做y=f(x)的单调区间.在单调区间上,增函数的图象是上升的, 减函数的图象是下降的. Evaluation only. Created with Aspose.Slides for .NET 3.5 Client Profile 5.2.0.0. Copyright 2004-2011 Aspose Pty Ltd. 例1. 下图是定义在闭区间[-5, 5]上的函数y=f(x)的图象, 根据图象说出y=f(x)的单调区间, 以及在每一区间上, y=f(x)是增函数还是减函数. 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. C