which of these mapping diagrams is a function
![Which Of These Mapping Diagrams Is A Function class=](https://ph-static.z-dn.net/files/d93/6fa9e739334f63d8631ce9ebce8fca55.jpg)
Answer:
Z.
Step-by-step explanation:
sigurado yan ang sagot dahil kailangan hindi magpa balik² ang range para hindi magkamali sa vertical line test.