时间/分 | 0 | 1 | 2 | 3 | 4 | 5 | 6 | … |
路程/千米 | 0 | 4 | 8 | 12 | 16 | 20 | 24 | … |
(1)把动车行驶的时间和路程对应的点在图中描出来,并连线。
(2)复兴号动车行驶的路程和时间成 比例关系。
(3)动车行驶半小时可行驶多少千米?(列式解答)
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