线性函数的倒数

线性函数的倒数
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2019-05-24 19:51
①本范例演示了如何绘制并分析线性函数的倒数图像及其渐近线;②涉及的核心数学概念包括线性函数、倒数函数、渐近线、解析几何;③作图要点提炼自构造摘要,使用了Polygon、Union、LineToSlopeFormRHS、RemoveUndefined、UnicodeToLetter、LaTeX、Point、Line、Zip、TableText等GeoGebra命令和对象;④适合高中阶段学习函数变换和解析几何的学生使用。

GeoGebra 命令及参数

  1. Polygon({(left, top), (right, top), (right, bottom), (left, bottom)}) → viewbox
  2. Union(Sequence[i, i, -5, 5], Zip[xIntercept + A, A, fractions]) → allXvalues
  3. LineToSlopeFormRHS(f) → lineTxt
  4. RemoveUndefined(Zip[If[A ≥ minX ∧ A ≤ maxX, A], A, allXvalues]) → useableXvalues
  5. UnicodeToLetter(10007) → xmark
  6. UnicodeToLetter(10003) → cmark
  7. LaTeX("\text{The asymptotes of \(y=\dfrac{1}{g(x)}\) \\occur at the zeros of \(g(x)\). \\The invariant points occur\\when \(y=\pm 1\).}") → fbExplanation
  8. LaTeX((((("\text{\textbf{Question: }" * MainInstruc) * "\\\textbf{Instructions: }") * SpecInstruc) * "}")) → allInstruc
  9. Point(Zip[(C, f(C)), C, useableXvalues]) → A
  10. Line((xIntercept, 0), yAxis) → vAsymptote
  11. Zip((A, f(A)), A, useableXvalues) → useablePoints
  12. LaTeX("B") → lblB
  13. TableText({titles, dataRow}, "|_c") → dataTable