时间(时)
时间(时) | 0 | 1 | 2 | 3 | 4 | 5 | 6 |
路程(km) | 42 | 35 | 28 |
| 14 | 7 |
|
(1)请按照规律把表格补充完整。
(2)图中的点A表示时间为1时时,距离B地35千米,试着描出其它各点。
(3)顺次连接各点,你有什么发现?
(4)王老师徒步3.5时时,距离B地多少千米?(列式计算)
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