Functions have one output for every input. So that means one x-coordinate for one y-coordinate. In this case, (3,4) and (3,12) have the same x-coordinate, so it can't be a function.
0.4
what is the full question/number
Answer:
70 to 220 i think im confused to
Step-by-step explanation:
This is proportion so multiply 2 by 4 and then divide it by 8 to get 1. The answer is 1