月份 | 1 | 2 | 3 | 4 | 5 | 6 |
A牌/台 | 60 | 75 | 77 | 50 | 55 | 78 |
B牌/台 | 45 | 50 | 55 | 45 | 35 | 55 |
(1)请你根据表中的数据,画出折线统计图.
(2)________月份,两种品牌的冰箱销售量差距最大,________月份,差距最小.
(3)A品牌冰箱2016年上半年的变化趋势是________.
(4)请你提出一个数学问题并解答.
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