时间/时 | 0 | 1 | 2 | 3 | 4 | 5 | 6 |
路程/km | 0 | 90 | 180 | 270 | 360 | 450 | 540 |
(1)轿车行驶的路程与时间成( )比例。
(2)在图中描出轿车行驶的路程与相对应时间的点,然后把这些点按顺序连接起来。
(3)根据图象判断,这辆轿车2.5时行驶( )千米;行驶495千米需要( )时。
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