函数变换与反函数交互测验

GeoGebra 命令及参数

1. If(fn ≟ 1, f1, If[fn ≟ 2, f2, f3]) → f
2. If(fn ≤ 2, (-2, f(-2)), (-4, f(-4))) → A
3. Random(-8, 8) → c
4. If(qQ ≟ 2 ∨ qQ ≟ 3 ∨ qQ ≟ 4, 0, c) → cC
5. If(fn ≟ 3, 4, 2) → xc
6. RandomElement(blist) → b
7. If(qQ ≟ 1 ∨ qQ ≟ 2 ∨ qQ ≟ 5, 1, b) → bB
8. If(fn ≟ 3, -4, -2) → xa
9. If(fn ≤ 2, (2, f(2)), (4, f(4))) → C
10. RandomElement(alist) → a
11. If(qQ ≟ 1 ∨ qQ ≟ 3, 1, a) → aA
12. Random(-10, 10) → d
13. If(qQ ≟ 4, 0, d) → dD
14. If(bB > 0, xa / abs(bB) + cC, ((-xa)) / abs(bB) + cC) → xaim
15. If(bB > 0, xc / abs(bB) + cC, ((-xc)) / abs(bB) + cC) → xcim
16. Max({8, y(AANS) + 2, y(BANS) + 2, y(CANS) + 2}) → ymax
17. Min({-5.8, y(AANS) - 1.8, y(BANS) - 1.8, y(CANS) - 1.8}) → ymin1
18. If(aA ≟ 1, "", If[aA ≟ -1, "-", Text[aA]]) → atext
19. If(cC ≟ 0, "", If[cC < 0, ("+" * Text[absc]), ("-" * Text[absc])]) → ctext
20. If(bB ≟ 1, "", If[bB ≟ -1, "-", Text[bB]]) → btext
21. If(dD ≟ 0, "", If[dD > 0, ("+" * Text[dD]), Text[dD]]) → dtext
22. If(qQ ≟ 1, q1text1, If[qQ ≟ 2, q2text2, If[qQ ≟ 3, q3text3, If[qQ ≟ 4, q4text4, If[qQ ≟ 5, q5text5, q6text6]]]]) → qftext
23. Corner(5) → dims
24. Max({4 / abs(bB) + cC + 2, 8}) → xmax
25. Min({-4 / abs(bB) + cC - 2, -8}) → xmin