序号 | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 |
环数 | 8 | 7 | 8 | 5 | 5 | 9 | 6 | 6 | 7 | 7 | 8 |
序号 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 |
环数 | 5 | 7 | 6 | 9 | 10 | 6 | 7 | 8 | 8 | 7 | 9 |
序号 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | 31 | 32 | 33 |
环数 | 7 | 6 | 8 | 8 | 9 | 10 | 7 | 6 | 6 | 7 | 8 |
(1)用画“正”字的方法表示射出每个环数的人数。
环数 | 5 | 6 | 7 | 8 | 9 | 10 |
人数 |
(2)根据上面的数据完成下图。(1个×代表1人)
同类型试题
y = sin x, x∈R, y∈[–1,1],周期为2π,函数图像以 x = (π/2) + kπ 为对称轴
y = arcsin x, x∈[–1,1], y∈[–π/2,π/2]
sin x = 0 ←→ arcsin x = 0
sin x = 1/2 ←→ arcsin x = π/6
sin x = √2/2 ←→ arcsin x = π/4
sin x = 1 ←→ arcsin x = π/2
y = sin x, x∈R, y∈[–1,1],周期为2π,函数图像以 x = (π/2) + kπ 为对称轴
y = arcsin x, x∈[–1,1], y∈[–π/2,π/2]
sin x = 0 ←→ arcsin x = 0
sin x = 1/2 ←→ arcsin x = π/6
sin x = √2/2 ←→ arcsin x = π/4
sin x = 1 ←→ arcsin x = π/2