I think it may be c but correct me if I’m wrong sorry though at least I tried
Answer:
D
Step-by-step explanation:
The answer is D because for it to be a function x-value can only have one output. For D, 8 has two outputs 1 and 4.
Answer:
Here it is. Hope it helped. Apart from 3, 4 is also a number.
plz mark me as brainliest.