函数变换教学

GeoGebra 命令及参数

1. Point(h) → E
2. Point(h) → B
3. Polygon(B, C, D, E) → q1, b_1, c_1, d_1, e
4. Vector(A) → v
5. Textfield(f) → InputBox2
6. Textfield(a) → InputBox3
7. Textfield(d) → InputBox4
8. Textfield(b) → InputBox5
9. Simplify(g) → r
10. Textfield(c) → InputBox1
11. If(k ≟ 1, r((-x)), If[l ≟ 1, (-r(x)), If[k ≟ 0 ∧ l ≟ 0, r(x), If[k ≟ 1 ∧ l ≟ 1, (-r((-x)))]]]) → s
12. Min(y(Min[s, -5, 5]) - 3, -5) → Y_{min}
13. Max(y(Max[s, -5, 5]), 15) → Y_{max}