1. pear a.
![](http://static.xuejinqu.com/qimg/ed7/ed7c8c77fef8f97203e583693e77279f.png)
2. banana b.
![](http://static.xuejinqu.com/qimg/0b7/0b7f3b8a5be861852553a585fa368abc.png)
3. orange c.
![](http://static.xuejinqu.com/qimg/d7c/d7c2704735e88724b8a18af368ca0782.png)
4. apple d.
![](http://static.xuejinqu.com/qimg/9a8/9a8f004fa889abd84f866562f96f1d01.png)
![](http://static.xuejinqu.com/images/y-prise.png)
同类型试题
![](http://static.xuejinqu.com/images/medal.png)
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
![](http://static.xuejinqu.com/images/avatar.png)
![](http://static.xuejinqu.com/images/avatar.png)
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
![](http://static.xuejinqu.com/images/avatar.png)
![](http://static.xuejinqu.com/images/avatar.png)