一阶导数图像问题

GeoGebra 命令及参数

1. Segment(I, J) → a
2. Segment(K, L) → b
3. Segment(M, N) → c
4. Segment(O, P) → d
5. Point(c) → Q
6. Point(d) → R
7. Segment(Q, R) → e
8. Point(c) → S
9. Point(d) → T
10. Segment(S, T) → f
11. Point(c) → U
12. Point(d) → V
13. Segment(U, V) → g
14. Point(c) → W
15. Point(d) → Z
16. Segment(W, Z) → h
17. Point(c) → A_1
18. Point(d) → B_1
19. Segment(A_1, B_1) → i
20. Segment(N, P) → j
21. Segment(M, O) → k
22. Polygon(I, K, L, J) → poly1, i_1, k_1, l_1, j_1
23. Polygon(M, N, J, I) → poly2, m_1, n_1, j_2, i_2
24. Polygon(K, O, P, L) → poly3, k_2, o_1, p_1, l_2
25. Segment(X1, T1) → l
26. Segment(T1, Y1) → m
27. TableText({{A1, B1}, {A2, B2}}, "c_|") → table1
28. TableText({{A4, B4}, {A5, B5}}, "c_|") → table2
29. Segment(X2, T2) → n
30. Segment(T2, Y2) → p
31. TableText({{A7, B7}, {A8, B8}}, "|_") → table3
32. Segment(X3, T3) → q
33. Segment(Y3, T3) → r
34. Segment(T4, N4) → t
35. Segment(T51, N5) → b_1
36. Segment(T52, M5) → c_1