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讨论函数单调性是导数考查的重点和热点,从导函数类型来梳理函数单调性的讨论有利于学习和教学,更有利于高考复习.那么这种讨论的导函数类型有哪些?一、二次函数型导函数为二次函数的讨论型,均可用判别式的分类来进行讨论解答,然而不同的特征式,却可以有着特征的简便解答.
Discuss the monotonicity of the function is the focus and hotspot of the derivative test, combing the monotonicity of the function from the type of derivative function is conducive to learning and teaching, and more conducive to college entrance examination review. Functional derivative is a discussion of quadratic functions, can be used to discuss the classification of discriminant solution, but different characteristics, but can have a simple characteristic answer.