月份 | 1 | 2 | 3 | 4 | 5 | 6 | |
销量 | 甲 | 20 | 25 | 35 | 40 | 50 | 55 |
乙 | 15 | 18 | 20 | 16 | 12 | 10 |
(1)在下图中绘制折线统计图。
(2)甲品牌的纯牛奶销量呈( )趋势。(填“逐渐上升”或“逐渐下降”)
(3)( )月份甲、乙两种品牌纯牛奶的销量差距最大,相差( )箱。
(4)乙品牌纯牛奶2月份销量是3月份的( )。(填最简分数)
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