快乐甜品店两种蛋糕1~6月销售情况统计表
(单位:盒)
1月 | 2月 | 3月 | 4月 | 5月 | 6月 | |
冰淇淋蛋糕 | 8 | 14 | 29 | 58 | 188 | |
鲜奶蛋糕 | 46 | 132 | 158 | 186 | 91 |
A.30 | B.42 | C.102 | D.204 |
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