(1)根据上面的数据完成折线统计图并标出数据.
(2)根据折线统计图回答问题:
①上半年中,销售情况最好的是( )月份,销售了( )台;销售情况最差的是( )月份,销售了( )台.
②从( )月到( )月份,销售情况呈上升趋势,从( )月份到( )月份,销售情况呈下降趋势.
③从图中,你还知道什么情况?
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