函数加法与微分商的图示

GeoGebra 命令及参数

1. Point(xAxis) → A
2. OrthogonalLine(A, xAxis) → a
3. Intersect(f, a, 1) → B
4. Intersect(g, a, 1) → C
5. Distance(C, A) → afstandCA
6. Distance(B, A) → afstandBA
7. Segment(A, C) → b
8. OrthogonalLine(A1, xAxis) → c
9. Intersect(h, c, 1) → D
10. Distance(A1, D) → afstandA1D
11. Segment(D, A1) → d
12. Segment(B, A) → e
13. Segment(A1, B2) → i
14. Point(xAxis) → E
15. Point(xAxis) → F
16. Integral(f, x(E), x(F)) → l
17. Integral(g, x(E), x(F)) → m
18. Integral(h, x(E), x(F)) → n
19. Integral(k1, x(E), x(F)) → o
20. IntegralBetween(h, k1, x(E), x(F)) → p
21. Segment(B2, D) → r
22. Point(xAxis) → G
23. Tangent(x(G), g) → s
24. Tangent(x(G), f) → t
25. Slope(s) → a_1
26. Slope(t) → a_2
27. Tangent(x(G), h) → b_1
28. Segment(H, I) → c_1
29. Segment(I, K) → d_1
30. Segment(K, J) → e_1
31. Polygon(H, I, J) → polygon1, j_1, h_1, i_1