年龄/岁 姓名 | 7 | 8 | 9 | 10 | 11 | 12 |
淘气 | 125 | 127 | 133 | 140 | 147 | 155 |
笑笑 | 127 | 130 | 134 | 140 | 144 | 150 |
A.10岁的笑笑比7岁时长高了15厘米 |
B.淘气从7岁时开始一直比笑笑矮 |
C.8岁的淘气与笑笑7岁时的身高相同 |
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