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学生在函数图像变换中所遇困难的探究及对策

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摘要 在高一的函数教学结束后,针对学生学习情况所作的调研中,笔者发现有如下问题: 问题1 将函数y=x^2-4x-5的图像向右平移2个单位,再作出平移后图像关于直线x=-1的对称图形,求出所得到图像对应的函数解析式.
作者 沈易
出处 《数学教学》 2012年第11期2-5,共4页
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参考文献6

  • 1David Tall. Facets and Layers of the Function Concept. Proceedings of PME 20. 1996.
  • 2David Tall. Prom School to Univer- sity: the Transition from Elementary to Ad- vanced Mathematical Thinking. The Aus- tralasian Bridging Conference in Mathematics at Auckland University New Zealand on July 13th. 1997.
  • 3David Tall. The transition to formal thinking in mathematic. Mathematics Educa- tion Research Journal, 2008, 20(2): 5-24.
  • 4Eddie Gray & David Tall. Success and Failure in Mathematics: The Flexible Meaning of Symbols as Process and Concept. Mathe- matics Teaching, 1992(14): 6- 10.
  • 5Marcelo C. Borba & Jere Confrey. A student's construction of transformations of functions in a multiple representational envi- ronment. ESM, 1996, 31(3): 319-337.
  • 6Shlomo Vinner. Concept Definition, Concept Image And The Notion of Punction. IJMEST, 1983, 14(3): 293-305.

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