生产时间/时 | 0 | 1 | 2 | 3 | 4 | 5 | 6 | 7 |
产量/吨 | 0 | 4 | 8 | 12 | 16 | 20 | 24 | 28 |
(1)先根据上表描点,再顺次连接各点。
(2)生产时间与产量成( )(填“正”或“反”)比例关系。
(3)这台榨油机榨70吨油需要( )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